diff --git a/src/layout/AppShell.tsx b/src/layout/AppShell.tsx
index 0d17c66..c8876af 100644
--- a/src/layout/AppShell.tsx
+++ b/src/layout/AppShell.tsx
@@ -1,5 +1,6 @@
 import { Outlet, NavLink } from "react-router-dom";
 import {
+  Badge,
   Button,
   makeStyles,
   shorthands,
@@ -16,6 +17,8 @@ import {
   TagMultiple24Regular,
   Desktop24Regular,
 } from "@fluentui/react-icons";
+import { useQuery } from "@tanstack/react-query";
+import { portalApi } from "../api/portalApi";
 
 const useStyles = makeStyles({
   root: {
@@ -63,6 +66,11 @@ const useStyles = makeStyles({
     ...shorthands.borderBottom("1px", "solid", tokens.colorNeutralStroke2),
     ...shorthands.padding("0", "28px"),
   },
+  apiStatus: {
+    display: "flex",
+    alignItems: "center",
+    gap: "10px",
+  },
   main: {
     ...shorthands.padding("28px"),
   },
@@ -84,6 +92,19 @@ const links = [
 
 export function AppShell() {
   const styles = useStyles();
+  const apiStatus = useQuery({
+    queryKey: ["api-status"],
+    queryFn: ({ signal }) => portalApi.getServices(signal),
+    retry: 1,
+    staleTime: 60_000,
+  });
+  const apiBaseUrl = import.meta.env.VITE_API_BASE_URL ?? "/api";
+  const apiBadge =
+    apiStatus.isLoading
+      ? { appearance: "tint" as const, color: "subtle" as const, label: "API pruefen" }
+      : apiStatus.error
+        ? { appearance: "filled" as const, color: "danger" as const, label: "API Fehler" }
+        : { appearance: "filled" as const, color: "success" as const, label: "API verbunden" };
 
   return (
     <div className={styles.root}>
@@ -111,7 +132,12 @@ export function AppShell() {
       <section className={styles.content}>
         <header className={styles.topbar}>
           <Text weight="semibold">Portal workspace</Text>
-          <Text size={200}>API: {import.meta.env.VITE_API_BASE_URL ?? "/api"}</Text>
+          <div className={styles.apiStatus}>
+            <Badge appearance={apiBadge.appearance} color={apiBadge.color}>
+              {apiBadge.label}
+            </Badge>
+            <Text size={200}>{apiBaseUrl}</Text>
+          </div>
         </header>
         <main className={styles.main}>
           <Outlet />
diff --git a/src/pages/DashboardPage.tsx b/src/pages/DashboardPage.tsx
index ddcb6e7..fea4c6a 100644
--- a/src/pages/DashboardPage.tsx
+++ b/src/pages/DashboardPage.tsx
@@ -4,9 +4,11 @@ import {
   CardHeader,
   Divider,
   makeStyles,
+  shorthands,
   Text,
   tokens,
 } from "@fluentui/react-components";
+import { Link } from "react-router-dom";
 import { portalApi } from "../api/portalApi";
 import { DataState } from "../components/DataState";
 import { PageHeader } from "../components/PageHeader";
@@ -28,6 +30,28 @@ const useStyles = makeStyles({
     fontWeight: tokens.fontWeightSemibold,
     lineHeight: "40px",
   },
+  metricLink: {
+    color: "inherit",
+    display: "block",
+    textDecorationLine: "none",
+    ...shorthands.borderRadius(tokens.borderRadiusMedium),
+    ":focus-visible": {
+      outlineStyle: "solid",
+      outlineWidth: "2px",
+      outlineColor: tokens.colorStrokeFocus2,
+      outlineOffset: "2px",
+    },
+  },
+  metricCard: {
+    transitionProperty: "box-shadow, transform, border-color",
+    transitionDuration: tokens.durationFaster,
+    transitionTimingFunction: tokens.curveEasyEase,
+    ":hover": {
+      boxShadow: tokens.shadow8,
+      transform: "translateY(-1px)",
+      ...shorthands.borderColor(tokens.colorNeutralStroke1Hover),
+    },
+  },
   donutWrap: {
     display: "flex",
     alignItems: "center",
@@ -54,6 +78,12 @@ const useStyles = makeStyles({
     borderRadius: "50%",
     display: "inline-block",
   },
+  emptyState: {
+    minHeight: "120px",
+    display: "flex",
+    alignItems: "center",
+    color: tokens.colorNeutralForeground3,
+  },
 });
 
 export function DashboardPage() {
@@ -121,16 +151,17 @@ export function DashboardPage() {
       <DataState isLoading={isLoading} error={error} />
       {!isLoading && !error && (
         <div className={styles.grid}>
-          <MetricCard label="Domains" value={domains.data?.length ?? 0} />
-          <MetricCard label="Environments" value={environments.data?.length ?? 0} />
-          <MetricCard label="Templates" value={templates.data?.length ?? 0} />
-          <MetricCard label="Services" value={services.data?.length ?? 0} />
+          <MetricCard label="Domains" value={domains.data?.length ?? 0} to="/domains" />
+          <MetricCard label="Environments" value={environments.data?.length ?? 0} to="/environments" />
+          <MetricCard label="Templates" value={templates.data?.length ?? 0} to="/templates" />
+          <MetricCard label="Services" value={services.data?.length ?? 0} to="/services" />
         </div>
       )}
       {!isLoading && !error && (
         <div className={styles.chartGrid}>
           <DonutCard
             title="Jobs"
+            emptyText="Keine Worker Jobs vorhanden."
             items={Object.entries(queueByStatus).map(([label, value], index) => ({
               label,
               value,
@@ -139,6 +170,7 @@ export function DashboardPage() {
           />
           <DonutCard
             title="VM DSC Compliance"
+            emptyText="Keine Compliance-Daten gemeldet."
             items={[
               { label: "Compliant", value: vmCompliance.compliant, color: "#107C10" },
               { label: "Non-Compliant", value: vmCompliance.nonCompliant, color: "#D13438" },
@@ -151,23 +183,27 @@ export function DashboardPage() {
   );
 }
 
-function MetricCard({ label, value }: { label: string; value: number }) {
+function MetricCard({ label, value, to }: { label: string; value: number; to: string }) {
   const styles = useStyles();
 
   return (
-    <Card>
-      <CardHeader header={<Text weight="semibold">{label}</Text>} />
-      <Text className={styles.metric}>{value}</Text>
-    </Card>
+    <Link className={styles.metricLink} to={to}>
+      <Card className={styles.metricCard}>
+        <CardHeader header={<Text weight="semibold">{label}</Text>} />
+        <Text className={styles.metric}>{value}</Text>
+      </Card>
+    </Link>
   );
 }
 
 const chartColors = ["#0F6CBD", "#107C10", "#D13438", "#8764B8", "#CA5010", "#605E5C"];
 
 function DonutCard({
+  emptyText,
   title,
   items,
 }: {
+  emptyText: string;
   title: string;
   items: Array<{ label: string; value: number; color: string }>;
 }) {
@@ -183,20 +219,26 @@ function DonutCard({
     <Card>
       <CardHeader header={<Text weight="semibold">{title}</Text>} />
       <Divider />
-      <div className={styles.donutWrap}>
-        <div className={styles.donut} style={{ background: `conic-gradient(${segments})` }} />
-        <div className={styles.legend}>
-          {items.map((item) => (
-            <div key={item.label} className={styles.legendRow}>
-              <span className={styles.swatch} style={{ backgroundColor: item.color }} />
-              <Text>
-                {item.label}: {item.value}
-              </Text>
-            </div>
-          ))}
-          <Text>Total: {total}</Text>
+      {total === 0 ? (
+        <div className={styles.emptyState}>
+          <Text>{emptyText}</Text>
         </div>
-      </div>
+      ) : (
+        <div className={styles.donutWrap}>
+          <div className={styles.donut} style={{ background: `conic-gradient(${segments})` }} />
+          <div className={styles.legend}>
+            {items.map((item) => (
+              <div key={item.label} className={styles.legendRow}>
+                <span className={styles.swatch} style={{ backgroundColor: item.color }} />
+                <Text>
+                  {item.label}: {item.value}
+                </Text>
+              </div>
+            ))}
+            <Text>Total: {total}</Text>
+          </div>
+        </div>
+      )}
     </Card>
   );
 }
diff --git a/src/pages/DeploymentBatchDetailsPage.tsx b/src/pages/DeploymentBatchDetailsPage.tsx
index 57dfa6b..7a6ecb9 100644
--- a/src/pages/DeploymentBatchDetailsPage.tsx
+++ b/src/pages/DeploymentBatchDetailsPage.tsx
@@ -17,7 +17,7 @@ import {
   Tooltip,
 } from "@fluentui/react-components";
 import { AddRegular, ArrowLeftRegular, DeleteRegular } from "@fluentui/react-icons";
-import { useMemo, useState } from "react";
+import { useMemo, useState, type SetStateAction } from "react";
 import { Link, useParams } from "react-router-dom";
 import { portalApi } from "../api/portalApi";
 import { DataState } from "../components/DataState";
@@ -42,6 +42,12 @@ const useStyles = makeStyles({
     fontSize: "18px",
     fontWeight: 600,
   },
+  headerActions: {
+    display: "flex",
+    alignItems: "center",
+    justifyContent: "space-between",
+    gap: "12px",
+  },
   formGrid: {
     display: "grid",
     gridTemplateColumns: "repeat(4, minmax(160px, 1fr))",
@@ -79,6 +85,9 @@ export function DeploymentBatchDetailsPage() {
   const [targetTargetId, setTargetTargetId] = useState("");
   const [targetRoleKey, setTargetRoleKey] = useState("Node");
   const [targetNodeDataJson, setTargetNodeDataJson] = useState("{}");
+  const [selectedTemplateSelectionIds, setSelectedTemplateSelectionIds] = useState<string[]>([]);
+  const [selectedParameterValueIds, setSelectedParameterValueIds] = useState<string[]>([]);
+  const [selectedTargetAssignmentIds, setSelectedTargetAssignmentIds] = useState<string[]>([]);
 
   const { data: deploymentBatch, error, isLoading } = useQuery({
     queryKey: ["deployment-batches", id],
@@ -127,6 +136,15 @@ export function DeploymentBatchDetailsPage() {
     mutationFn: (selectionId: string) => portalApi.deleteDeploymentTemplateSelection(id!, selectionId),
     onSuccess: invalidateBatch,
   });
+  const deleteSelectedTemplateSelections = useMutation({
+    mutationFn: async (selectionIds: string[]) => {
+      await Promise.all(selectionIds.map((selectionId) => portalApi.deleteDeploymentTemplateSelection(id!, selectionId)));
+    },
+    onSuccess: async () => {
+      setSelectedTemplateSelectionIds([]);
+      await invalidateBatch();
+    },
+  });
 
   const addParameterValue = useMutation({
     mutationFn: () =>
@@ -149,6 +167,15 @@ export function DeploymentBatchDetailsPage() {
     mutationFn: (parameterValueId: string) => portalApi.deleteDeploymentParameterValue(id!, parameterValueId),
     onSuccess: invalidateBatch,
   });
+  const deleteSelectedParameterValues = useMutation({
+    mutationFn: async (parameterValueIds: string[]) => {
+      await Promise.all(parameterValueIds.map((parameterValueId) => portalApi.deleteDeploymentParameterValue(id!, parameterValueId)));
+    },
+    onSuccess: async () => {
+      setSelectedParameterValueIds([]);
+      await invalidateBatch();
+    },
+  });
 
   const addTargetAssignment = useMutation({
     mutationFn: () =>
@@ -168,6 +195,29 @@ export function DeploymentBatchDetailsPage() {
     mutationFn: (targetAssignmentId: string) => portalApi.deleteDeploymentTargetAssignment(id!, targetAssignmentId),
     onSuccess: invalidateBatch,
   });
+  const deleteSelectedTargetAssignments = useMutation({
+    mutationFn: async (targetAssignmentIds: string[]) => {
+      await Promise.all(targetAssignmentIds.map((targetAssignmentId) => portalApi.deleteDeploymentTargetAssignment(id!, targetAssignmentId)));
+    },
+    onSuccess: async () => {
+      setSelectedTargetAssignmentIds([]);
+      await invalidateBatch();
+    },
+  });
+  const queueDeployment = useMutation({
+    mutationFn: () =>
+      portalApi.addDeploymentRequest({
+        deploymentGroupId: id!,
+        targetIds: [],
+        jsonData: "{}",
+      }),
+    onSuccess: async () => {
+      await queryClient.invalidateQueries({ queryKey: ["deployment-jobs"] });
+      await queryClient.invalidateQueries({ queryKey: ["queue-jobs"] });
+      await queryClient.invalidateQueries({ queryKey: ["deployments"] });
+      await invalidateBatch();
+    },
+  });
 
   const filteredExecutions = useMemo(() => {
     if (deploymentBatch?.deployments && deploymentBatch.deployments.length > 0) {
@@ -182,18 +232,53 @@ export function DeploymentBatchDetailsPage() {
   const templateSelectionError = addTemplateSelection.error;
   const parameterError = addParameterValue.error;
   const targetError = addTargetAssignment.error;
+  const queueError = queueDeployment.error;
+  const templateSelections = deploymentBatch?.templateSelections ?? [];
+  const parameterValues = deploymentBatch?.parameterValues ?? [];
+  const targetAssignments = deploymentBatch?.targetAssignments ?? [];
+  const allTemplateSelectionsSelected =
+    templateSelections.length > 0 && templateSelections.every((selection) => selectedTemplateSelectionIds.includes(selection.id));
+  const allParameterValuesSelected =
+    parameterValues.length > 0 && parameterValues.every((parameterValue) => selectedParameterValueIds.includes(parameterValue.id));
+  const allTargetAssignmentsSelected =
+    targetAssignments.length > 0 && targetAssignments.every((targetAssignment) => selectedTargetAssignmentIds.includes(targetAssignment.id));
+  const toggleSelected = (ids: string[], setIds: (value: SetStateAction<string[]>) => void, id: string, checked: boolean) => {
+    setIds(checked ? [...new Set([...ids, id])] : ids.filter((entry) => entry !== id));
+  };
+  const canQueueDeployment =
+    Boolean(id) &&
+    ((deploymentBatch?.targetAssignments?.length ?? 0) > 0 || filteredExecutions.some((execution) => Boolean(execution.targetId)));
 
   return (
     <div className={styles.layout}>
-      <Link to="/deployments">
-        <Button appearance="subtle" icon={<ArrowLeftRegular />}>
-          Deployments
+      <div className={styles.headerActions}>
+        <Link to="/deployments">
+          <Button appearance="subtle" icon={<ArrowLeftRegular />}>
+            Deployments
+          </Button>
+        </Link>
+        <Button
+          appearance="primary"
+          disabled={!canQueueDeployment || queueDeployment.isPending}
+          icon={<AddRegular />}
+          onClick={() => queueDeployment.mutate()}
+        >
+          Queue Deployment
         </Button>
-      </Link>
+      </div>
       <PageHeader title={id ? `Deployment Batch ${id}` : "Deployment Batch"} description="Composition, Targets und Executions fuer diesen Batch." />
       <DataState
         isLoading={isLoading}
-        error={error ?? templateSelectionError ?? parameterError ?? targetError}
+        error={
+          error ??
+          templateSelectionError ??
+          deleteSelectedTemplateSelections.error ??
+          parameterError ??
+          deleteSelectedParameterValues.error ??
+          targetError ??
+          deleteSelectedTargetAssignments.error ??
+          queueError
+        }
       />
 
       <section className={styles.section}>
@@ -207,6 +292,18 @@ export function DeploymentBatchDetailsPage() {
           >
             Add
           </Button>
+          <Button
+            appearance="secondary"
+            icon={<DeleteRegular />}
+            disabled={selectedTemplateSelectionIds.length === 0 || deleteSelectedTemplateSelections.isPending}
+            onClick={() => {
+              if (window.confirm(`${selectedTemplateSelectionIds.length} Template Selections wirklich loeschen?`)) {
+                deleteSelectedTemplateSelections.mutate(selectedTemplateSelectionIds);
+              }
+            }}
+          >
+            Auswahl loeschen
+          </Button>
         </div>
         <div className={styles.formGrid}>
           <Field label="Template">
@@ -249,6 +346,14 @@ export function DeploymentBatchDetailsPage() {
         <Table aria-label="Template selections">
           <TableHeader>
             <TableRow>
+              <TableHeaderCell>
+                <Checkbox
+                  checked={allTemplateSelectionsSelected}
+                  onChange={(_, checkboxData) =>
+                    setSelectedTemplateSelectionIds(checkboxData.checked ? templateSelections.map((selection) => selection.id) : [])
+                  }
+                />
+              </TableHeaderCell>
               <TableHeaderCell>Order</TableHeaderCell>
               <TableHeaderCell>Role</TableHeaderCell>
               <TableHeaderCell>Alias</TableHeaderCell>
@@ -259,8 +364,16 @@ export function DeploymentBatchDetailsPage() {
             </TableRow>
           </TableHeader>
           <TableBody>
-            {(deploymentBatch?.templateSelections ?? []).map((selection) => (
+            {templateSelections.map((selection) => (
               <TableRow key={selection.id}>
+                <TableCell>
+                  <Checkbox
+                    checked={selectedTemplateSelectionIds.includes(selection.id)}
+                    onChange={(_, checkboxData) =>
+                      toggleSelected(selectedTemplateSelectionIds, setSelectedTemplateSelectionIds, selection.id, Boolean(checkboxData.checked))
+                    }
+                  />
+                </TableCell>
                 <TableCell>{selection.sortOrder}</TableCell>
                 <TableCell>{selection.templateRole}</TableCell>
                 <TableCell>{selection.alias ?? "-"}</TableCell>
@@ -295,6 +408,18 @@ export function DeploymentBatchDetailsPage() {
           >
             Add
           </Button>
+          <Button
+            appearance="secondary"
+            icon={<DeleteRegular />}
+            disabled={selectedParameterValueIds.length === 0 || deleteSelectedParameterValues.isPending}
+            onClick={() => {
+              if (window.confirm(`${selectedParameterValueIds.length} Parameter Values wirklich loeschen?`)) {
+                deleteSelectedParameterValues.mutate(selectedParameterValueIds);
+              }
+            }}
+          >
+            Auswahl loeschen
+          </Button>
         </div>
         <div className={styles.formGrid}>
           <Field label="Scope">
@@ -329,6 +454,14 @@ export function DeploymentBatchDetailsPage() {
         <Table aria-label="Parameter values">
           <TableHeader>
             <TableRow>
+              <TableHeaderCell>
+                <Checkbox
+                  checked={allParameterValuesSelected}
+                  onChange={(_, checkboxData) =>
+                    setSelectedParameterValueIds(checkboxData.checked ? parameterValues.map((parameterValue) => parameterValue.id) : [])
+                  }
+                />
+              </TableHeaderCell>
               <TableHeaderCell>Scope</TableHeaderCell>
               <TableHeaderCell>Name</TableHeaderCell>
               <TableHeaderCell>Secret</TableHeaderCell>
@@ -337,13 +470,21 @@ export function DeploymentBatchDetailsPage() {
             </TableRow>
           </TableHeader>
           <TableBody>
-            {(deploymentBatch?.parameterValues ?? []).map((parameterValue) => {
-              const selection = (deploymentBatch?.templateSelections ?? []).find(
+            {parameterValues.map((parameterValue) => {
+              const selection = templateSelections.find(
                 (entry) => entry.id === parameterValue.deploymentTemplateSelectionId,
               );
 
               return (
                 <TableRow key={parameterValue.id}>
+                  <TableCell>
+                    <Checkbox
+                      checked={selectedParameterValueIds.includes(parameterValue.id)}
+                      onChange={(_, checkboxData) =>
+                        toggleSelected(selectedParameterValueIds, setSelectedParameterValueIds, parameterValue.id, Boolean(checkboxData.checked))
+                      }
+                    />
+                  </TableCell>
                   <TableCell>{selection?.alias ?? selection?.templateRole ?? "Global"}</TableCell>
                   <TableCell>{parameterValue.name}</TableCell>
                   <TableCell>{parameterValue.isSecretReference ? "Yes" : "No"}</TableCell>
@@ -377,6 +518,18 @@ export function DeploymentBatchDetailsPage() {
           >
             Add
           </Button>
+          <Button
+            appearance="secondary"
+            icon={<DeleteRegular />}
+            disabled={selectedTargetAssignmentIds.length === 0 || deleteSelectedTargetAssignments.isPending}
+            onClick={() => {
+              if (window.confirm(`${selectedTargetAssignmentIds.length} Target Assignments wirklich loeschen?`)) {
+                deleteSelectedTargetAssignments.mutate(selectedTargetAssignmentIds);
+              }
+            }}
+          >
+            Auswahl loeschen
+          </Button>
         </div>
         <div className={styles.formGrid}>
           <Field label="Target">
@@ -402,6 +555,14 @@ export function DeploymentBatchDetailsPage() {
         <Table aria-label="Target assignments">
           <TableHeader>
             <TableRow>
+              <TableHeaderCell>
+                <Checkbox
+                  checked={allTargetAssignmentsSelected}
+                  onChange={(_, checkboxData) =>
+                    setSelectedTargetAssignmentIds(checkboxData.checked ? targetAssignments.map((targetAssignment) => targetAssignment.id) : [])
+                  }
+                />
+              </TableHeaderCell>
               <TableHeaderCell>Order</TableHeaderCell>
               <TableHeaderCell>Target</TableHeaderCell>
               <TableHeaderCell>Role</TableHeaderCell>
@@ -410,8 +571,16 @@ export function DeploymentBatchDetailsPage() {
             </TableRow>
           </TableHeader>
           <TableBody>
-            {(deploymentBatch?.targetAssignments ?? []).map((targetAssignment) => (
+            {targetAssignments.map((targetAssignment) => (
               <TableRow key={targetAssignment.id}>
+                <TableCell>
+                  <Checkbox
+                    checked={selectedTargetAssignmentIds.includes(targetAssignment.id)}
+                    onChange={(_, checkboxData) =>
+                      toggleSelected(selectedTargetAssignmentIds, setSelectedTargetAssignmentIds, targetAssignment.id, Boolean(checkboxData.checked))
+                    }
+                  />
+                </TableCell>
                 <TableCell>{targetAssignment.sortOrder}</TableCell>
                 <TableCell>{targetAssignment.target?.name ?? targetAssignment.targetId}</TableCell>
                 <TableCell>{targetAssignment.roleKey}</TableCell>
diff --git a/src/pages/DeploymentGroupsPage.tsx b/src/pages/DeploymentGroupsPage.tsx
index d2a0a39..484f763 100644
--- a/src/pages/DeploymentGroupsPage.tsx
+++ b/src/pages/DeploymentGroupsPage.tsx
@@ -1,4 +1,4 @@
-import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
+import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
 import {
   Button,
   Checkbox,
@@ -13,25 +13,72 @@ import {
   Input,
   makeStyles,
   Option,
+  shorthands,
   Table,
   TableBody,
   TableCell,
   TableHeader,
   TableHeaderCell,
   TableRow,
+  Text,
+  tokens,
   Tooltip,
 } from "@fluentui/react-components";
 import { AddRegular, DeleteRegular, OpenRegular } from "@fluentui/react-icons";
-import { useMemo, useState } from "react";
+import { ChevronDownRegular, ChevronRightRegular } from "@fluentui/react-icons";
+import { Fragment, useEffect, useMemo, useState } from "react";
 import { Link } from "react-router-dom";
 import { portalApi } from "../api/portalApi";
 import { DataState } from "../components/DataState";
 import { PageHeader } from "../components/PageHeader";
+import type { DeploymentBatch } from "../types/portal";
+
+const statusOrder = ["New", "Pending", "Running", "Failed", "Completed", "Unknown"];
 
 const useStyles = makeStyles({
+  pageActions: {
+    display: "flex",
+    gap: "10px",
+    marginBottom: "16px",
+  },
+  groupRow: {
+    cursor: "pointer",
+  },
+  groupHeader: {
+    display: "flex",
+    alignItems: "center",
+    gap: "8px",
+  },
+  nestedLevel2Cell: {
+    paddingLeft: "48px",
+  },
   actions: {
     display: "flex",
-    gap: "6px",
+    gap: "4px",
+    ...shorthands.padding("2px", "0"),
+  },
+  muted: {
+    color: tokens.colorNeutralForeground3,
+  },
+  idText: {
+    color: tokens.colorNeutralForeground3,
+    fontFamily: "Consolas, monospace",
+    fontSize: "12px",
+  },
+  emptyState: {
+    backgroundColor: tokens.colorNeutralBackground1,
+    color: tokens.colorNeutralForeground3,
+    ...shorthands.border("1px", "solid", tokens.colorNeutralStroke2),
+    ...shorthands.borderRadius(tokens.borderRadiusMedium),
+    ...shorthands.padding("24px"),
+  },
+  dialogIntro: {
+    color: tokens.colorNeutralForeground3,
+    marginBottom: "16px",
+  },
+  targetPicker: {
+    display: "grid",
+    gap: "10px",
   },
 });
 
@@ -40,10 +87,15 @@ export function DeploymentGroupsPage() {
   const queryClient = useQueryClient();
   const [serviceId, setServiceId] = useState("");
   const [templateId, setTemplateId] = useState("");
+  const [templateVersionId, setTemplateVersionId] = useState("");
   const [deploymentRuleId, setDeploymentRuleId] = useState("");
   const [targetIds, setTargetIds] = useState<string[]>([]);
   const [targetSearch, setTargetSearch] = useState("");
   const [dialogOpen, setDialogOpen] = useState(false);
+  const [deleteCandidate, setDeleteCandidate] = useState<DeploymentBatch | null>(null);
+  const [selectedIds, setSelectedIds] = useState<string[]>([]);
+  const [expandedStatusGroups, setExpandedStatusGroups] = useState<Record<string, boolean>>({});
+
   const { data, error, isLoading } = useQuery({
     queryKey: ["deployment-batches"],
     queryFn: ({ signal }) => portalApi.getDeploymentBatches(signal),
@@ -64,17 +116,25 @@ export function DeploymentGroupsPage() {
     queryKey: ["targets"],
     queryFn: ({ signal }) => portalApi.getTargets(signal),
   });
+  const { data: templateVersions } = useQuery({
+    queryKey: ["template-versions", templateId],
+    queryFn: ({ signal }) => portalApi.getTemplateVersions(templateId, signal),
+    enabled: Boolean(templateId),
+  });
   const { data: deploymentRules } = useQuery({
     queryKey: ["deployment-rules"],
     queryFn: ({ signal }) => portalApi.getDeploymentRules(signal),
   });
+
   const addDeploymentBatch = useMutation({
     mutationFn: portalApi.addDeploymentBatch,
     onSuccess: async () => {
       setServiceId("");
       setTemplateId("");
+      setTemplateVersionId("");
       setDeploymentRuleId("");
       setTargetIds([]);
+      setTargetSearch("");
       setDialogOpen(false);
       await queryClient.invalidateQueries({ queryKey: ["deployment-batches"] });
       await queryClient.invalidateQueries({ queryKey: ["deployments"] });
@@ -83,6 +143,17 @@ export function DeploymentGroupsPage() {
   const deleteDeploymentBatch = useMutation({
     mutationFn: portalApi.deleteDeploymentBatch,
     onSuccess: async () => {
+      setDeleteCandidate(null);
+      await queryClient.invalidateQueries({ queryKey: ["deployment-batches"] });
+      await queryClient.invalidateQueries({ queryKey: ["deployments"] });
+    },
+  });
+  const deleteSelectedDeploymentBatches = useMutation({
+    mutationFn: async (ids: string[]) => {
+      await Promise.all(ids.map((id) => portalApi.deleteDeploymentBatch(id)));
+    },
+    onSuccess: async () => {
+      setSelectedIds([]);
       await queryClient.invalidateQueries({ queryKey: ["deployment-batches"] });
       await queryClient.invalidateQueries({ queryKey: ["deployments"] });
     },
@@ -106,73 +177,184 @@ export function DeploymentGroupsPage() {
     filteredTargets.length > 0 &&
     filteredTargets.every((target) => targetIds.includes(target.id));
 
+  const groupedBatches = useMemo(() => {
+    const groups = (data ?? []).reduce<Record<string, DeploymentBatch[]>>((acc, deploymentBatch) => {
+      const status = deploymentBatch.status || "Unknown";
+      acc[status] = [...(acc[status] ?? []), deploymentBatch];
+      return acc;
+    }, {});
+
+    return Object.entries(groups).sort(([left], [right]) => {
+      const leftIndex = statusOrder.indexOf(left);
+      const rightIndex = statusOrder.indexOf(right);
+      return (leftIndex === -1 ? statusOrder.length : leftIndex) - (rightIndex === -1 ? statusOrder.length : rightIndex);
+    });
+  }, [data]);
+  const allSelected = Boolean(data?.length) && data!.every((deploymentBatch) => selectedIds.includes(deploymentBatch.id));
+  const toggleSelected = (id: string, checked: boolean) => {
+    setSelectedIds((current) => (checked ? [...new Set([...current, id])] : current.filter((entry) => entry !== id)));
+  };
+
+  useEffect(() => {
+    if (!templateVersions || templateVersions.length === 0 || templateVersionId) {
+      return;
+    }
+
+    const publishedVersion = templateVersions.find((version) => version.isPublished);
+    setTemplateVersionId((publishedVersion ?? templateVersions[0]).id);
+  }, [templateVersionId, templateVersions]);
+
+  const getServiceName = (deploymentBatch: DeploymentBatch) => {
+    const template = (templates ?? []).find((entry) => entry.id === deploymentBatch.templateId);
+    const category = (templateCategories ?? []).find((entry) => entry.id === template?.templateCategoryId);
+    const service = (services ?? []).find((entry) => entry.id === category?.serviceId);
+    return service?.name ?? "-";
+  };
+
+  const getPrimaryTemplateLabel = (deploymentBatch: DeploymentBatch) => {
+    const fallbackTemplate = (templates ?? []).find((entry) => entry.id === deploymentBatch.templateId);
+    const templateName = deploymentBatch.primaryTemplateName ?? fallbackTemplate?.name ?? "-";
+    const templateVersion = deploymentBatch.primaryTemplateVersion ? ` ${deploymentBatch.primaryTemplateVersion}` : "";
+    const additionalTemplates =
+      deploymentBatch.templateSelectionCount > 1 ? ` +${deploymentBatch.templateSelectionCount - 1}` : "";
+    return `${templateName}${templateVersion}${additionalTemplates}`;
+  };
+
+  const toggleStatusGroup = (status: string) => {
+    setExpandedStatusGroups((current) => ({
+      ...current,
+      [status]: !current[status],
+    }));
+  };
+
   return (
     <>
-      <PageHeader title="Deployments" description="Deployment Batches und deren Ausfuehrungen." />
-      <Button appearance="primary" icon={<AddRegular />} onClick={() => setDialogOpen(true)}>
-        Neues Deployment
-      </Button>
-      <DataState isLoading={isLoading} error={error} />
-      {data && (
+      <PageHeader title="Deployments" description="Deployment Batches und Compositionen nach Status." />
+      <div className={styles.pageActions}>
+        <Button appearance="primary" icon={<AddRegular />} onClick={() => setDialogOpen(true)}>
+          Neuer Deployment Batch
+        </Button>
+        <Button
+          appearance="secondary"
+          disabled={selectedIds.length === 0 || deleteSelectedDeploymentBatches.isPending}
+          icon={<DeleteRegular />}
+          onClick={() => {
+            if (window.confirm(`${selectedIds.length} Deployment Batches wirklich loeschen?`)) {
+              deleteSelectedDeploymentBatches.mutate(selectedIds);
+            }
+          }}
+        >
+          Auswahl loeschen
+        </Button>
+      </div>
+      <DataState isLoading={isLoading} error={error ?? deleteSelectedDeploymentBatches.error} />
+      {!isLoading && !error && groupedBatches.length === 0 && (
+        <div className={styles.emptyState}>Keine Deployment Batches vorhanden.</div>
+      )}
+      {!isLoading && !error && groupedBatches.length > 0 && (
         <Table aria-label="Deployment batches">
           <TableHeader>
             <TableRow>
-              <TableHeaderCell>Service</TableHeaderCell>
-              <TableHeaderCell>Template</TableHeaderCell>
-              <TableHeaderCell>Rule</TableHeaderCell>
-              <TableHeaderCell>Status</TableHeaderCell>
-              <TableHeaderCell>Created</TableHeaderCell>
-              <TableHeaderCell>Modified</TableHeaderCell>
-              <TableHeaderCell>Id</TableHeaderCell>
-              <TableHeaderCell>Actions</TableHeaderCell>
+              <TableHeaderCell>
+                <Checkbox
+                  checked={allSelected}
+                  onChange={(_, checkboxData) =>
+                    setSelectedIds(checkboxData.checked ? (data ?? []).map((deploymentBatch) => deploymentBatch.id) : [])
+                  }
+                />
+              </TableHeaderCell>
+              <TableHeaderCell>
+                <Text weight="semibold">Service</Text>
+              </TableHeaderCell>
+              <TableHeaderCell>
+                <Text weight="semibold">Primary Template</Text>
+              </TableHeaderCell>
+              <TableHeaderCell>
+                <Text weight="semibold">Templates</Text>
+              </TableHeaderCell>
+              <TableHeaderCell>
+                <Text weight="semibold">Targets</Text>
+              </TableHeaderCell>
+              <TableHeaderCell>
+                <Text weight="semibold">Rule</Text>
+              </TableHeaderCell>
+              <TableHeaderCell>
+                <Text weight="semibold">Created</Text>
+              </TableHeaderCell>
+              <TableHeaderCell>
+                <Text weight="semibold">Batch</Text>
+              </TableHeaderCell>
+              <TableHeaderCell>
+                <Text weight="semibold">Actions</Text>
+              </TableHeaderCell>
             </TableRow>
           </TableHeader>
           <TableBody>
-            {data.map((deploymentBatch) => (
-              <TableRow key={deploymentBatch.id}>
-                <TableCell>
-                  {(() => {
-                    const template = (templates ?? []).find((entry) => entry.id === deploymentBatch.templateId);
-                    const category = (templateCategories ?? []).find((entry) => entry.id === template?.templateCategoryId);
-                    const service = (services ?? []).find((entry) => entry.id === category?.serviceId);
-                    return service?.name ?? "-";
-                  })()}
-                </TableCell>
-                <TableCell>{(templates ?? []).find((entry) => entry.id === deploymentBatch.templateId)?.name ?? "-"}</TableCell>
-                <TableCell>
-                  {(deploymentRules ?? []).find((entry) => entry.id === deploymentBatch.deploymentRuleId)?.name ?? "-"}
-                </TableCell>
-                <TableCell>{deploymentBatch.status ?? "Unknown"}</TableCell>
-                <TableCell>{deploymentBatch.created ? new Date(deploymentBatch.created).toLocaleString() : "-"}</TableCell>
-                <TableCell>{deploymentBatch.modified ? new Date(deploymentBatch.modified).toLocaleString() : "-"}</TableCell>
-                <TableCell>{deploymentBatch.id}</TableCell>
-                <TableCell>
-                  <div className={styles.actions}>
-                    <Tooltip content="Details" relationship="label">
-                      <Link to={`/deployments/${deploymentBatch.id}`}>
-                        <Button appearance="subtle" aria-label="Details" icon={<OpenRegular />} />
-                      </Link>
-                    </Tooltip>
-                    <Tooltip content="Delete" relationship="label">
-                      <Button
-                        appearance="subtle"
-                        aria-label="Delete"
-                        icon={<DeleteRegular />}
-                        onClick={() => deleteDeploymentBatch.mutate(deploymentBatch.id)}
-                      />
-                    </Tooltip>
-                  </div>
-                </TableCell>
-              </TableRow>
+            {groupedBatches.map(([status, deploymentBatches]) => (
+              <Fragment key={`status-${status}`}>
+                <TableRow className={styles.groupRow} onClick={() => toggleStatusGroup(status)}>
+                  <TableCell colSpan={9}>
+                    <div className={styles.groupHeader}>
+                      {expandedStatusGroups[status] !== false ? <ChevronDownRegular /> : <ChevronRightRegular />}
+                      <strong>{status}</strong>
+                    </div>
+                  </TableCell>
+                </TableRow>
+                {expandedStatusGroups[status] !== false &&
+                  deploymentBatches.map((deploymentBatch) => (
+                    <TableRow key={deploymentBatch.id}>
+                      <TableCell>
+                        <Checkbox
+                          checked={selectedIds.includes(deploymentBatch.id)}
+                          onChange={(_, checkboxData) => toggleSelected(deploymentBatch.id, Boolean(checkboxData.checked))}
+                        />
+                      </TableCell>
+                      <TableCell className={styles.nestedLevel2Cell}>{getServiceName(deploymentBatch)}</TableCell>
+                      <TableCell>{getPrimaryTemplateLabel(deploymentBatch)}</TableCell>
+                      <TableCell>{deploymentBatch.templateSelectionCount ?? 0}</TableCell>
+                      <TableCell>{deploymentBatch.targetAssignmentCount ?? 0}</TableCell>
+                      <TableCell>
+                        {(deploymentRules ?? []).find((entry) => entry.id === deploymentBatch.deploymentRuleId)?.name ?? "-"}
+                      </TableCell>
+                      <TableCell>{deploymentBatch.created ? new Date(deploymentBatch.created).toLocaleString() : "-"}</TableCell>
+                      <TableCell>
+                        <Tooltip content={deploymentBatch.id} relationship="label">
+                          <span className={styles.idText}>{deploymentBatch.id.slice(0, 8)}</span>
+                        </Tooltip>
+                      </TableCell>
+                      <TableCell>
+                        <div className={styles.actions}>
+                          <Tooltip content="Details" relationship="label">
+                            <Link to={`/deployments/${deploymentBatch.id}`}>
+                              <Button appearance="subtle" aria-label="Details" icon={<OpenRegular />} />
+                            </Link>
+                          </Tooltip>
+                          <Tooltip content="Delete" relationship="label">
+                            <Button
+                              appearance="subtle"
+                              aria-label="Delete"
+                              icon={<DeleteRegular />}
+                              onClick={() => setDeleteCandidate(deploymentBatch)}
+                            />
+                          </Tooltip>
+                        </div>
+                      </TableCell>
+                    </TableRow>
+                  ))}
+              </Fragment>
             ))}
           </TableBody>
         </Table>
       )}
+
       <Dialog open={dialogOpen} onOpenChange={(_, data) => setDialogOpen(data.open)}>
         <DialogSurface>
           <DialogBody>
-            <DialogTitle>Neues Deployment</DialogTitle>
+            <DialogTitle>Neuer Deployment Batch</DialogTitle>
             <DialogContent>
+              <Text className={styles.dialogIntro}>
+                Erstellt eine neue Deployment Composition mit einer initialen Template Selection.
+              </Text>
               <Field label="Service" required>
                 <Combobox
                   placeholder="Service waehlen"
@@ -181,6 +363,7 @@ export function DeploymentGroupsPage() {
                     const nextServiceId = data.optionValue ?? "";
                     setServiceId(nextServiceId);
                     setTemplateId("");
+                    setTemplateVersionId("");
                     setTargetIds([]);
                   }}
                 >
@@ -191,12 +374,15 @@ export function DeploymentGroupsPage() {
                   ))}
                 </Combobox>
               </Field>
-              <Field label="Template" required>
+              <Field label="Initial Template" required>
                 <Combobox
                   placeholder={serviceId ? "Template waehlen" : "Erst Service waehlen"}
                   disabled={!serviceId}
                   value={templates?.find((template) => template.id === templateId)?.name ?? ""}
-                  onOptionSelect={(_, data) => setTemplateId(data.optionValue ?? "")}
+                  onOptionSelect={(_, data) => {
+                    setTemplateId(data.optionValue ?? "");
+                    setTemplateVersionId("");
+                  }}
                 >
                   {(templates ?? [])
                     .filter((template) => {
@@ -210,6 +396,21 @@ export function DeploymentGroupsPage() {
                     ))}
                 </Combobox>
               </Field>
+              <Field label="Version" required>
+                <Combobox
+                  placeholder={templateId ? "Version waehlen" : "Erst Template waehlen"}
+                  disabled={!templateId}
+                  value={templateVersions?.find((version) => version.id === templateVersionId)?.version ?? ""}
+                  onOptionSelect={(_, data) => setTemplateVersionId(data.optionValue ?? "")}
+                >
+                  {(templateVersions ?? []).map((version) => (
+                    <Option key={version.id} text={version.version} value={version.id}>
+                      {version.version}
+                      {version.isPublished ? " published" : ""}
+                    </Option>
+                  ))}
+                </Combobox>
+              </Field>
               <Field label="Deployment Rule">
                 <Combobox
                   placeholder="Rule waehlen (optional)"
@@ -224,10 +425,10 @@ export function DeploymentGroupsPage() {
                 </Combobox>
               </Field>
               {isOnPremService && (
-                <Field label="Targets" required>
-                  <div>
+                <Field label="Initial Targets" required>
+                  <div className={styles.targetPicker}>
                     <Input
-                      placeholder="VM suchen (Name oder Id)"
+                      placeholder="Target suchen (Name oder Id)"
                       value={targetSearch}
                       onChange={(_, data) => setTargetSearch(data.value)}
                     />
@@ -240,17 +441,17 @@ export function DeploymentGroupsPage() {
                               onChange={(_, data) => {
                                 if (data.checked) {
                                   setTargetIds((prev) =>
-                                    Array.from(new Set([...prev, ...filteredTargets.map((vm) => vm.id)])),
+                                    Array.from(new Set([...prev, ...filteredTargets.map((target) => target.id)])),
                                   );
                                 } else {
-                                  const visibleIds = new Set(filteredTargets.map((vm) => vm.id));
+                                  const visibleIds = new Set(filteredTargets.map((target) => target.id));
                                   setTargetIds((prev) => prev.filter((id) => !visibleIds.has(id)));
                                 }
                               }}
                             />
                           </TableHeaderCell>
                           <TableHeaderCell>Name</TableHeaderCell>
-                          <TableHeaderCell>Id</TableHeaderCell>
+                          <TableHeaderCell>Provider</TableHeaderCell>
                         </TableRow>
                       </TableHeader>
                       <TableBody>
@@ -269,7 +470,7 @@ export function DeploymentGroupsPage() {
                               />
                             </TableCell>
                             <TableCell>{target.name}</TableCell>
-                            <TableCell>{target.id}</TableCell>
+                            <TableCell>{target.providerType}</TableCell>
                           </TableRow>
                         ))}
                       </TableBody>
@@ -284,17 +485,44 @@ export function DeploymentGroupsPage() {
               </Button>
               <Button
                 appearance="primary"
-                disabled={!templateId || (isOnPremService && targetIds.length === 0) || addDeploymentBatch.isPending}
+                disabled={!templateId || !templateVersionId || (isOnPremService && targetIds.length === 0) || addDeploymentBatch.isPending}
                 onClick={() =>
                   addDeploymentBatch.mutate({
                     status: "New",
                     templateId,
+                    templateVersionId,
                     deploymentRuleId: deploymentRuleId || undefined,
                     targetIds: isOnPremService ? targetIds : undefined,
                   })
                 }
               >
-                Deployment anlegen
+                Batch anlegen
+              </Button>
+            </DialogActions>
+          </DialogBody>
+        </DialogSurface>
+      </Dialog>
+
+      <Dialog open={Boolean(deleteCandidate)} onOpenChange={(_, data) => !data.open && setDeleteCandidate(null)}>
+        <DialogSurface>
+          <DialogBody>
+            <DialogTitle>Deployment Batch loeschen?</DialogTitle>
+            <DialogContent>
+              <Text>
+                Der Batch {deleteCandidate?.id.slice(0, 8)} und seine Composition werden geloescht.
+              </Text>
+            </DialogContent>
+            <DialogActions>
+              <Button appearance="secondary" onClick={() => setDeleteCandidate(null)}>
+                Abbrechen
+              </Button>
+              <Button
+                appearance="primary"
+                disabled={!deleteCandidate || deleteDeploymentBatch.isPending}
+                icon={<DeleteRegular />}
+                onClick={() => deleteCandidate && deleteDeploymentBatch.mutate(deleteCandidate.id)}
+              >
+                Loeschen
               </Button>
             </DialogActions>
           </DialogBody>
@@ -303,5 +531,3 @@ export function DeploymentGroupsPage() {
     </>
   );
 }
-
-
diff --git a/src/pages/DeploymentRulesPage.tsx b/src/pages/DeploymentRulesPage.tsx
index eeb11ba..b7cd0d7 100644
--- a/src/pages/DeploymentRulesPage.tsx
+++ b/src/pages/DeploymentRulesPage.tsx
@@ -71,6 +71,11 @@ const useStyles = makeStyles({
   addStepButton: {
     marginTop: "12px",
   },
+  toolbar: {
+    display: "flex",
+    gap: "10px",
+    marginBottom: "16px",
+  },
 });
 
 function createDefaultStep(sortOrder: number): DeploymentRuleStep {
@@ -92,6 +97,7 @@ export function DeploymentRulesPage() {
   const [description, setDescription] = useState("");
   const [isActive, setIsActive] = useState(true);
   const [steps, setSteps] = useState<DeploymentRuleStep[]>([createDefaultStep(1)]);
+  const [selectedIds, setSelectedIds] = useState<string[]>([]);
 
   const { data, error, isLoading } = useQuery({
     queryKey: ["deployment-rules"],
@@ -121,6 +127,15 @@ export function DeploymentRulesPage() {
       await queryClient.invalidateQueries({ queryKey: ["deployment-rules"] });
     },
   });
+  const deleteSelectedRules = useMutation({
+    mutationFn: async (ids: string[]) => {
+      await Promise.all(ids.map((id) => portalApi.deleteDeploymentRule(id)));
+    },
+    onSuccess: async () => {
+      setSelectedIds([]);
+      await queryClient.invalidateQueries({ queryKey: ["deployment-rules"] });
+    },
+  });
 
   const openAddDialog = () => {
     setDialogMode("add");
@@ -164,18 +179,42 @@ export function DeploymentRulesPage() {
     isActive,
     steps: normalizedSteps,
   };
+  const allSelected = Boolean(data?.length) && data!.every((rule) => selectedIds.includes(rule.id));
+  const toggleSelected = (id: string, checked: boolean) => {
+    setSelectedIds((current) => (checked ? [...new Set([...current, id])] : current.filter((entry) => entry !== id)));
+  };
 
   return (
     <>
       <PageHeader title="Deployment Rules" description="Low-Code Regeln fuer Deployment Pipelines gestalten." />
-      <Button appearance="primary" icon={<AddRegular />} onClick={openAddDialog}>
-        Neue Rule
-      </Button>
-      <DataState isLoading={isLoading} error={error} />
+      <div className={styles.toolbar}>
+        <Button appearance="primary" icon={<AddRegular />} onClick={openAddDialog}>
+          Neue Rule
+        </Button>
+        <Button
+          appearance="secondary"
+          disabled={selectedIds.length === 0 || deleteSelectedRules.isPending}
+          icon={<DeleteRegular />}
+          onClick={() => {
+            if (window.confirm(`${selectedIds.length} Deployment Rules wirklich loeschen?`)) {
+              deleteSelectedRules.mutate(selectedIds);
+            }
+          }}
+        >
+          Auswahl loeschen
+        </Button>
+      </div>
+      <DataState isLoading={isLoading} error={error ?? deleteRule.error ?? deleteSelectedRules.error} />
       {data && (
         <Table aria-label="Deployment rules">
           <TableHeader>
             <TableRow>
+              <TableHeaderCell>
+                <Checkbox
+                  checked={allSelected}
+                  onChange={(_, checkboxData) => setSelectedIds(checkboxData.checked ? data.map((rule) => rule.id) : [])}
+                />
+              </TableHeaderCell>
               <TableHeaderCell>Name</TableHeaderCell>
               <TableHeaderCell>Status</TableHeaderCell>
               <TableHeaderCell>Steps</TableHeaderCell>
@@ -186,6 +225,12 @@ export function DeploymentRulesPage() {
           <TableBody>
             {data.map((rule) => (
               <TableRow key={rule.id}>
+                <TableCell>
+                  <Checkbox
+                    checked={selectedIds.includes(rule.id)}
+                    onChange={(_, checkboxData) => toggleSelected(rule.id, Boolean(checkboxData.checked))}
+                  />
+                </TableCell>
                 <TableCell>{rule.name}</TableCell>
                 <TableCell>{rule.isActive ? "Active" : "Inactive"}</TableCell>
                 <TableCell>{rule.steps?.length ?? 0}</TableCell>
diff --git a/src/pages/DeploymentsPage.tsx b/src/pages/DeploymentsPage.tsx
index 12ed805..c2444aa 100644
--- a/src/pages/DeploymentsPage.tsx
+++ b/src/pages/DeploymentsPage.tsx
@@ -58,6 +58,8 @@ export function DeploymentsPage() {
       await queryClient.invalidateQueries({ queryKey: ["deployment-jobs"] });
     },
   });
+  const selectedDeploymentBatch = (deploymentBatches ?? []).find((batch) => batch.id === deploymentBatchId);
+  const canUseCompositionTargets = Boolean(selectedDeploymentBatch && selectedDeploymentBatch.targetAssignmentCount > 0);
 
   return (
     <>
@@ -65,7 +67,7 @@ export function DeploymentsPage() {
       <FormSection
         onSubmit={(event) => {
           event.preventDefault();
-          addDeploymentRequest.mutate({ deploymentBatchId, jsonData, targetIds: selectedTargetIds });
+          addDeploymentRequest.mutate({ deploymentGroupId: deploymentBatchId, jsonData, targetIds: selectedTargetIds });
         }}
       >
         <FormGrid>
@@ -109,7 +111,7 @@ export function DeploymentsPage() {
         <FormActions>
           <Button
             appearance="primary"
-            disabled={!deploymentBatchId || selectedTargetIds.length === 0 || addDeploymentRequest.isPending}
+            disabled={!deploymentBatchId || (!canUseCompositionTargets && selectedTargetIds.length === 0) || addDeploymentRequest.isPending}
             type="submit"
           >
             Start deployment
diff --git a/src/pages/DomainsPage.tsx b/src/pages/DomainsPage.tsx
index ebcce08..253b85a 100644
--- a/src/pages/DomainsPage.tsx
+++ b/src/pages/DomainsPage.tsx
@@ -1,6 +1,7 @@
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
 import {
   Button,
+  Checkbox,
   Combobox,
   Dialog,
   DialogActions,
@@ -59,6 +60,7 @@ export function DomainsPage() {
   const [netBIOS, setNetBIOS] = useState("");
   const [linkDomainId, setLinkDomainId] = useState("");
   const [environmentId, setEnvironmentId] = useState("");
+  const [selectedIds, setSelectedIds] = useState<string[]>([]);
   const { data, error, isLoading } = useQuery({
     queryKey: ["domains"],
     queryFn: ({ signal }) => portalApi.getDomains(signal),
@@ -120,6 +122,15 @@ export function DomainsPage() {
       await queryClient.invalidateQueries({ queryKey: ["domains"] });
     },
   });
+  const deleteSelectedDomains = useMutation({
+    mutationFn: async (ids: string[]) => {
+      await Promise.all(ids.map((id) => portalApi.deleteDomain(id)));
+    },
+    onSuccess: async () => {
+      setSelectedIds([]);
+      await queryClient.invalidateQueries({ queryKey: ["domains"] });
+    },
+  });
   const linkDomainToEnvironment = useMutation({
     mutationFn: ({ domainId, environmentId: targetEnvironmentId }: { domainId: string; environmentId: string }) =>
       portalApi.linkDomainToEnvironment(domainId, targetEnvironmentId),
@@ -145,6 +156,10 @@ export function DomainsPage() {
 
   const formError = addDomain.error?.message ?? updateDomain.error?.message;
   const isSaving = addDomain.isPending || updateDomain.isPending;
+  const allSelected = Boolean(data?.length) && data!.every((domain) => selectedIds.includes(domain.id));
+  const toggleSelected = (id: string, checked: boolean) => {
+    setSelectedIds((current) => (checked ? [...new Set([...current, id])] : current.filter((entry) => entry !== id)));
+  };
 
   return (
     <>
@@ -156,6 +171,18 @@ export function DomainsPage() {
         <Button appearance="secondary" icon={<LinkMultiple24Regular />} onClick={openLinkDialog}>
           Link to Environment
         </Button>
+        <Button
+          appearance="secondary"
+          disabled={selectedIds.length === 0 || deleteSelectedDomains.isPending}
+          icon={<DeleteRegular />}
+          onClick={() => {
+            if (window.confirm(`${selectedIds.length} Domains wirklich loeschen?`)) {
+              deleteSelectedDomains.mutate(selectedIds);
+            }
+          }}
+        >
+          Auswahl loeschen
+        </Button>
       </div>
 
       <Dialog open={dialogMode !== null} onOpenChange={(_, data) => !data.open && closeDialog()}>
@@ -251,11 +278,20 @@ export function DomainsPage() {
         </DialogSurface>
       </Dialog>
 
-      <DataState isLoading={isLoading || environmentsLoading} error={error ?? environmentsError ?? deleteDomain.error ?? linkDomainToEnvironment.error} />
+      <DataState
+        isLoading={isLoading || environmentsLoading}
+        error={error ?? environmentsError ?? deleteDomain.error ?? deleteSelectedDomains.error ?? linkDomainToEnvironment.error}
+      />
       {data && (
         <Table aria-label="Domains">
           <TableHeader>
             <TableRow>
+              <TableHeaderCell>
+                <Checkbox
+                  checked={allSelected}
+                  onChange={(_, checkboxData) => setSelectedIds(checkboxData.checked ? data.map((domain) => domain.id) : [])}
+                />
+              </TableHeaderCell>
               <TableHeaderCell>Name</TableHeaderCell>
               <TableHeaderCell>FQDN</TableHeaderCell>
               <TableHeaderCell>NetBIOS</TableHeaderCell>
@@ -266,6 +302,12 @@ export function DomainsPage() {
           <TableBody>
             {data.map((domain) => (
               <TableRow key={domain.id}>
+                <TableCell>
+                  <Checkbox
+                    checked={selectedIds.includes(domain.id)}
+                    onChange={(_, checkboxData) => toggleSelected(domain.id, Boolean(checkboxData.checked))}
+                  />
+                </TableCell>
                 <TableCell>{domain.name}</TableCell>
                 <TableCell>{domain.fqdn}</TableCell>
                 <TableCell>{domain.netBIOS}</TableCell>
diff --git a/src/pages/EnvironmentsPage.tsx b/src/pages/EnvironmentsPage.tsx
index e46834f..97be752 100644
--- a/src/pages/EnvironmentsPage.tsx
+++ b/src/pages/EnvironmentsPage.tsx
@@ -1,6 +1,7 @@
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
 import {
   Button,
+  Checkbox,
   Combobox,
   Dialog,
   DialogActions,
@@ -64,6 +65,7 @@ export function EnvironmentsPage() {
   const [metadataJson, setMetadataJson] = useState("");
   const [linkEnvironmentId, setLinkEnvironmentId] = useState("");
   const [domainId, setDomainId] = useState("");
+  const [selectedIds, setSelectedIds] = useState<string[]>([]);
   const { data, error, isLoading } = useQuery({
     queryKey: ["environments"],
     queryFn: ({ signal }) => portalApi.getEnvironments(signal),
@@ -144,6 +146,15 @@ export function EnvironmentsPage() {
       await queryClient.invalidateQueries({ queryKey: ["environments"] });
     },
   });
+  const deleteSelectedEnvironments = useMutation({
+    mutationFn: async (ids: string[]) => {
+      await Promise.all(ids.map((id) => portalApi.deleteEnvironment(id)));
+    },
+    onSuccess: async () => {
+      setSelectedIds([]);
+      await queryClient.invalidateQueries({ queryKey: ["environments"] });
+    },
+  });
   const linkDomainToEnvironment = useMutation({
     mutationFn: ({ targetDomainId, environmentId }: { targetDomainId: string; environmentId: string }) =>
       portalApi.linkDomainToEnvironment(targetDomainId, environmentId),
@@ -180,6 +191,10 @@ export function EnvironmentsPage() {
   const isOnPrem = hostingType === "OnPrem";
   const isAzureTenant = hostingType === "AzureTenant";
   const isM365Tenant = hostingType === "M365Tenant";
+  const allSelected = Boolean(data?.length) && data!.every((environment) => selectedIds.includes(environment.id));
+  const toggleSelected = (id: string, checked: boolean) => {
+    setSelectedIds((current) => (checked ? [...new Set([...current, id])] : current.filter((entry) => entry !== id)));
+  };
 
   return (
     <>
@@ -191,6 +206,18 @@ export function EnvironmentsPage() {
         <Button appearance="secondary" icon={<LinkMultiple24Regular />} onClick={openLinkDialog}>
           Link to Domain
         </Button>
+        <Button
+          appearance="secondary"
+          disabled={selectedIds.length === 0 || deleteSelectedEnvironments.isPending}
+          icon={<DeleteRegular />}
+          onClick={() => {
+            if (window.confirm(`${selectedIds.length} Environments wirklich loeschen?`)) {
+              deleteSelectedEnvironments.mutate(selectedIds);
+            }
+          }}
+        >
+          Auswahl loeschen
+        </Button>
       </div>
 
       <Dialog open={dialogMode !== null} onOpenChange={(_, data) => !data.open && closeDialog()}>
@@ -368,11 +395,22 @@ export function EnvironmentsPage() {
         </DialogSurface>
       </Dialog>
 
-      <DataState isLoading={isLoading || domainsLoading} error={error ?? domainsError ?? deleteEnvironment.error ?? linkDomainToEnvironment.error} />
+      <DataState
+        isLoading={isLoading || domainsLoading}
+        error={error ?? domainsError ?? deleteEnvironment.error ?? deleteSelectedEnvironments.error ?? linkDomainToEnvironment.error}
+      />
       {data && (
         <Table aria-label="Environments">
           <TableHeader>
             <TableRow>
+              <TableHeaderCell>
+                <Checkbox
+                  checked={allSelected}
+                  onChange={(_, checkboxData) =>
+                    setSelectedIds(checkboxData.checked ? data.map((environment) => environment.id) : [])
+                  }
+                />
+              </TableHeaderCell>
               <TableHeaderCell>Name</TableHeaderCell>
               <TableHeaderCell>Stage</TableHeaderCell>
               <TableHeaderCell>Hosting</TableHeaderCell>
@@ -387,6 +425,12 @@ export function EnvironmentsPage() {
           <TableBody>
             {data.map((environment) => (
               <TableRow key={environment.id}>
+                <TableCell>
+                  <Checkbox
+                    checked={selectedIds.includes(environment.id)}
+                    onChange={(_, checkboxData) => toggleSelected(environment.id, Boolean(checkboxData.checked))}
+                  />
+                </TableCell>
                 <TableCell>{environment.name}</TableCell>
                 <TableCell>{environment.environmentType}</TableCell>
                 <TableCell>{environment.hostingType}</TableCell>
diff --git a/src/pages/ServicesPage.tsx b/src/pages/ServicesPage.tsx
index bd9fe6a..82f6004 100644
--- a/src/pages/ServicesPage.tsx
+++ b/src/pages/ServicesPage.tsx
@@ -125,6 +125,7 @@ export function ServicesPage() {
   const [roleName, setRoleName] = useState("");
   const [roleDescription, setRoleDescription] = useState("");
   const [serviceFilter, setServiceFilter] = useState<"all" | "cloud" | "onprem">("all");
+  const [selectedIds, setSelectedIds] = useState<string[]>([]);
   const [expandedGroups, setExpandedGroups] = useState<Record<string, boolean>>({
     onprem: true,
     cloud: true,
@@ -192,6 +193,15 @@ export function ServicesPage() {
       await queryClient.invalidateQueries({ queryKey: ["services"] });
     },
   });
+  const deleteSelectedServices = useMutation({
+    mutationFn: async (ids: string[]) => {
+      await Promise.all(ids.map((id) => portalApi.deleteService(id)));
+    },
+    onSuccess: async () => {
+      setSelectedIds([]);
+      await queryClient.invalidateQueries({ queryKey: ["services"] });
+    },
+  });
 
   const addRoleDefinition = useMutation({
     mutationFn: ({ serviceId, roleDefinition }: { serviceId: string; roleDefinition: AddServiceRoleDefinition }) =>
@@ -294,6 +304,11 @@ export function ServicesPage() {
       items: filteredServices.filter((service) => Boolean(service.isCloudService)),
     },
   ].filter((group) => group.items.length > 0);
+  const allSelected =
+    filteredServices.length > 0 && filteredServices.every((service) => selectedIds.includes(service.id));
+  const toggleSelected = (id: string, checked: boolean) => {
+    setSelectedIds((current) => (checked ? [...new Set([...current, id])] : current.filter((entry) => entry !== id)));
+  };
 
   const toggleGroup = (groupKey: string) => {
     setExpandedGroups((current) => ({
@@ -310,6 +325,18 @@ export function ServicesPage() {
           <Button appearance="primary" icon={<AddRegular />} onClick={openAddDialog}>
             Service hinzufuegen
           </Button>
+          <Button
+            appearance="secondary"
+            disabled={selectedIds.length === 0 || deleteSelectedServices.isPending}
+            icon={<DeleteRegular />}
+            onClick={() => {
+              if (window.confirm(`${selectedIds.length} Services wirklich loeschen?`)) {
+                deleteSelectedServices.mutate(selectedIds);
+              }
+            }}
+          >
+            Auswahl loeschen
+          </Button>
         </div>
         <Field className={styles.filter} label="Service Filter">
           <Combobox
@@ -498,11 +525,19 @@ export function ServicesPage() {
         </DialogSurface>
       </Dialog>
 
-      <DataState isLoading={isLoading} error={error ?? deleteService.error} />
+      <DataState isLoading={isLoading} error={error ?? deleteService.error ?? deleteSelectedServices.error} />
       {data && (
         <Table aria-label="Services">
           <TableHeader>
             <TableRow>
+              <TableHeaderCell>
+                <Checkbox
+                  checked={allSelected}
+                  onChange={(_, checkboxData) =>
+                    setSelectedIds(checkboxData.checked ? filteredServices.map((service) => service.id) : [])
+                  }
+                />
+              </TableHeaderCell>
               <TableHeaderCell>Name</TableHeaderCell>
               <TableHeaderCell>Description</TableHeaderCell>
               <TableHeaderCell>Id</TableHeaderCell>
@@ -513,7 +548,7 @@ export function ServicesPage() {
             {groupedServices.map((group) => (
               <Fragment key={group.key}>
                 <TableRow className={styles.groupRow} onClick={() => toggleGroup(group.key)}>
-                  <TableCell colSpan={4}>
+                  <TableCell colSpan={5}>
                     <div className={styles.groupHeader}>
                       {expandedGroups[group.key] !== false ? <ChevronDownRegular /> : <ChevronRightRegular />}
                       <strong>{group.label}</strong>
@@ -522,6 +557,12 @@ export function ServicesPage() {
                 </TableRow>
                 {expandedGroups[group.key] !== false && group.items.map((service) => (
                   <TableRow key={service.id}>
+                    <TableCell>
+                      <Checkbox
+                        checked={selectedIds.includes(service.id)}
+                        onChange={(_, checkboxData) => toggleSelected(service.id, Boolean(checkboxData.checked))}
+                      />
+                    </TableCell>
                     <TableCell className={styles.nestedCell}>
                       <div className={styles.nameWithIcon}>
                         {getServiceIcon(service.iconKey)}
diff --git a/src/pages/TargetsPage.tsx b/src/pages/TargetsPage.tsx
index b9aea57..1dbd5b5 100644
--- a/src/pages/TargetsPage.tsx
+++ b/src/pages/TargetsPage.tsx
@@ -1,6 +1,7 @@
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
 import {
   Button,
+  Checkbox,
   Combobox,
   Dialog,
   DialogActions,
@@ -66,6 +67,7 @@ export function TargetsPage() {
   const [providerType, setProviderType] = useState("OnPrem");
   const [externalId, setExternalId] = useState("");
   const [metadataJson, setMetadataJson] = useState("");
+  const [selectedIds, setSelectedIds] = useState<string[]>([]);
 
   const { data, error, isLoading } = useQuery({
     queryKey: ["targets"],
@@ -132,6 +134,15 @@ export function TargetsPage() {
       await queryClient.invalidateQueries({ queryKey: ["targets"] });
     },
   });
+  const deleteSelectedTargets = useMutation({
+    mutationFn: async (ids: string[]) => {
+      await Promise.all(ids.map((id) => portalApi.deleteTarget(id)));
+    },
+    onSuccess: async () => {
+      setSelectedIds([]);
+      await queryClient.invalidateQueries({ queryKey: ["targets"] });
+    },
+  });
 
   const linkTargetToDomain = useMutation({
     mutationFn: ({ targetId, targetDomainId }: { targetId: string; targetDomainId: string }) =>
@@ -172,6 +183,10 @@ export function TargetsPage() {
   const domainNameById = new Map((domains ?? []).map((domain: Domain) => [domain.id, domain.name]));
   const linkedTargets = (data ?? []).filter((target) => Boolean(target.domainID));
   const unlinkedTargets = (data ?? []).filter((target) => !target.domainID);
+  const allSelected = Boolean(data?.length) && data!.every((target) => selectedIds.includes(target.id));
+  const toggleSelected = (id: string, checked: boolean) => {
+    setSelectedIds((current) => (checked ? [...new Set([...current, id])] : current.filter((entry) => entry !== id)));
+  };
 
   return (
     <>
@@ -203,6 +218,19 @@ export function TargetsPage() {
         >
           Unlink Domain
         </Button>
+        <Button
+          appearance="secondary"
+          disabled={selectedIds.length === 0 || deleteSelectedTargets.isPending}
+          icon={<DeleteRegular />}
+          onClick={() => {
+            if (window.confirm(`${selectedIds.length} Targets wirklich loeschen?`)) {
+              deleteSelectedTargets.mutate(selectedIds);
+            }
+          }}
+          style={{ marginLeft: "10px" }}
+        >
+          Auswahl loeschen
+        </Button>
       </div>
 
       <Dialog open={dialogMode !== null} onOpenChange={(_, dialogData) => !dialogData.open && closeDialog()}>
@@ -373,12 +401,18 @@ export function TargetsPage() {
 
       <DataState
         isLoading={isLoading || domainsLoading}
-        error={error ?? domainsError ?? deleteTarget.error ?? linkTargetToDomain.error ?? unlinkTargetFromDomain.error}
+        error={error ?? domainsError ?? deleteTarget.error ?? deleteSelectedTargets.error ?? linkTargetToDomain.error ?? unlinkTargetFromDomain.error}
       />
       {data && (
         <Table aria-label="Targets">
           <TableHeader>
             <TableRow>
+              <TableHeaderCell>
+                <Checkbox
+                  checked={allSelected}
+                  onChange={(_, checkboxData) => setSelectedIds(checkboxData.checked ? data.map((target) => target.id) : [])}
+                />
+              </TableHeaderCell>
               <TableHeaderCell>Name</TableHeaderCell>
               <TableHeaderCell>Type</TableHeaderCell>
               <TableHeaderCell>Provider</TableHeaderCell>
@@ -391,6 +425,12 @@ export function TargetsPage() {
           <TableBody>
             {data.map((target) => (
               <TableRow key={target.id}>
+                <TableCell>
+                  <Checkbox
+                    checked={selectedIds.includes(target.id)}
+                    onChange={(_, checkboxData) => toggleSelected(target.id, Boolean(checkboxData.checked))}
+                  />
+                </TableCell>
                 <TableCell>{target.name}</TableCell>
                 <TableCell>{target.targetType}</TableCell>
                 <TableCell>{target.providerType}</TableCell>
diff --git a/src/pages/TemplateCategoriesPage.tsx b/src/pages/TemplateCategoriesPage.tsx
index 1c196f6..531b334 100644
--- a/src/pages/TemplateCategoriesPage.tsx
+++ b/src/pages/TemplateCategoriesPage.tsx
@@ -108,6 +108,7 @@ export function TemplateCategoriesPage() {
   const [isActive, setIsActive] = useState(true);
   const [color, setColor] = useState("");
   const [serviceFilterId, setServiceFilterId] = useState("all");
+  const [selectedIds, setSelectedIds] = useState<string[]>([]);
   const [expandedGroups, setExpandedGroups] = useState<Record<string, boolean>>({});
   const { data, error, isLoading } = useQuery({
     queryKey: ["template-categories"],
@@ -176,6 +177,15 @@ export function TemplateCategoriesPage() {
       await queryClient.invalidateQueries({ queryKey: ["template-categories"] });
     },
   });
+  const deleteSelectedTemplateCategories = useMutation({
+    mutationFn: async (ids: string[]) => {
+      await Promise.all(ids.map((id) => portalApi.deleteTemplateCategory(id)));
+    },
+    onSuccess: async () => {
+      setSelectedIds([]);
+      await queryClient.invalidateQueries({ queryKey: ["template-categories"] });
+    },
+  });
 
   const submitTemplateCategory = (event: React.FormEvent<HTMLFormElement>) => {
     event.preventDefault();
@@ -212,6 +222,12 @@ export function TemplateCategoriesPage() {
         .sort((a, b) => a.name.localeCompare(b.name)),
     }))
     .filter((group) => group.items.length > 0);
+  const allSelected =
+    filteredTemplateCategories.length > 0 &&
+    filteredTemplateCategories.every((templateCategory) => selectedIds.includes(templateCategory.id));
+  const toggleSelected = (id: string, checked: boolean) => {
+    setSelectedIds((current) => (checked ? [...new Set([...current, id])] : current.filter((entry) => entry !== id)));
+  };
 
   const toggleGroup = (groupId: string) => {
     setExpandedGroups((current) => ({
@@ -228,6 +244,18 @@ export function TemplateCategoriesPage() {
           <Button appearance="primary" icon={<AddRegular />} onClick={openAddDialog}>
             Template Category hinzufuegen
           </Button>
+          <Button
+            appearance="secondary"
+            disabled={selectedIds.length === 0 || deleteSelectedTemplateCategories.isPending}
+            icon={<DeleteRegular />}
+            onClick={() => {
+              if (window.confirm(`${selectedIds.length} Template Categories wirklich loeschen?`)) {
+                deleteSelectedTemplateCategories.mutate(selectedIds);
+              }
+            }}
+          >
+            Auswahl loeschen
+          </Button>
         </div>
         <Field className={styles.filter} label="Service Filter">
           <Combobox
@@ -316,11 +344,24 @@ export function TemplateCategoriesPage() {
         </DialogSurface>
       </Dialog>
 
-      <DataState isLoading={isLoading || servicesLoading} error={error ?? servicesError ?? deleteTemplateCategory.error} />
+      <DataState
+        isLoading={isLoading || servicesLoading}
+        error={error ?? servicesError ?? deleteTemplateCategory.error ?? deleteSelectedTemplateCategories.error}
+      />
       {data && (
         <Table aria-label="Template Categories">
           <TableHeader>
             <TableRow>
+              <TableHeaderCell>
+                <Checkbox
+                  checked={allSelected}
+                  onChange={(_, checkboxData) =>
+                    setSelectedIds(
+                      checkboxData.checked ? filteredTemplateCategories.map((templateCategory) => templateCategory.id) : [],
+                    )
+                  }
+                />
+              </TableHeaderCell>
               <TableHeaderCell>Name</TableHeaderCell>
               <TableHeaderCell>Active</TableHeaderCell>
               <TableHeaderCell>Id</TableHeaderCell>
@@ -335,7 +376,7 @@ export function TemplateCategoriesPage() {
                   key={`group-${group.serviceId}`}
                   onClick={() => toggleGroup(group.serviceId)}
                 >
-                  <TableCell colSpan={4}>
+                  <TableCell colSpan={5}>
                     <div className={styles.groupHeader}>
                       {expandedGroups[group.serviceId] !== false ? <ChevronDownRegular /> : <ChevronRightRegular />}
                       <strong>{group.serviceName}</strong>
@@ -344,6 +385,12 @@ export function TemplateCategoriesPage() {
                 </TableRow>
                 {expandedGroups[group.serviceId] !== false && group.items.map((templateCategory) => (
                   <TableRow key={templateCategory.id}>
+                    <TableCell>
+                      <Checkbox
+                        checked={selectedIds.includes(templateCategory.id)}
+                        onChange={(_, checkboxData) => toggleSelected(templateCategory.id, Boolean(checkboxData.checked))}
+                      />
+                    </TableCell>
                     <TableCell className={styles.nestedCell}>{templateCategory.name}</TableCell>
                     <TableCell>{templateCategory.isActive ? "Ja" : "Nein"}</TableCell>
                     <TableCell>{templateCategory.id}</TableCell>
diff --git a/src/pages/TemplatesPage.tsx b/src/pages/TemplatesPage.tsx
index 7416c34..43cbe1c 100644
--- a/src/pages/TemplatesPage.tsx
+++ b/src/pages/TemplatesPage.tsx
@@ -1,6 +1,7 @@
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
 import {
   Button,
+  Checkbox,
   Combobox,
   Dialog,
   DialogActions,
@@ -161,6 +162,7 @@ export function TemplatesPage() {
   const [jsonResources, setJsonResources] = useState("[]");
   const [editorTab, setEditorTab] = useState<TemplateEditorTab>("parameters");
   const [serviceFilterId, setServiceFilterId] = useState("all");
+  const [selectedIds, setSelectedIds] = useState<string[]>([]);
   const [expandedServiceGroups, setExpandedServiceGroups] = useState<Record<string, boolean>>({});
   const [expandedCategoryGroups, setExpandedCategoryGroups] = useState<Record<string, boolean>>({});
   const { data, error, isLoading } = useQuery({
@@ -255,6 +257,15 @@ export function TemplatesPage() {
       await queryClient.invalidateQueries({ queryKey: ["templates"] });
     },
   });
+  const deleteSelectedTemplates = useMutation({
+    mutationFn: async (ids: string[]) => {
+      await Promise.all(ids.map((id) => portalApi.deleteTemplate(id)));
+    },
+    onSuccess: async () => {
+      setSelectedIds([]);
+      await queryClient.invalidateQueries({ queryKey: ["templates"] });
+    },
+  });
 
   const submitTemplate = (event: React.FormEvent<HTMLFormElement>) => {
     event.preventDefault();
@@ -326,6 +337,11 @@ export function TemplatesPage() {
         .sort((a, b) => a.categoryName.localeCompare(b.categoryName)),
     }))
     .filter((group) => group.categories.length > 0);
+  const allSelected =
+    filteredTemplates.length > 0 && filteredTemplates.every((template) => selectedIds.includes(template.id));
+  const toggleSelected = (id: string, checked: boolean) => {
+    setSelectedIds((current) => (checked ? [...new Set([...current, id])] : current.filter((entry) => entry !== id)));
+  };
 
   const toggleServiceGroup = (serviceId: string) => {
     setExpandedServiceGroups((current) => ({
@@ -350,6 +366,18 @@ export function TemplatesPage() {
           <Button appearance="primary" icon={<AddRegular />} onClick={openAddDialog}>
             Template hinzufuegen
           </Button>
+          <Button
+            appearance="secondary"
+            disabled={selectedIds.length === 0 || deleteSelectedTemplates.isPending}
+            icon={<DeleteRegular />}
+            onClick={() => {
+              if (window.confirm(`${selectedIds.length} Templates wirklich loeschen?`)) {
+                deleteSelectedTemplates.mutate(selectedIds);
+              }
+            }}
+          >
+            Auswahl loeschen
+          </Button>
         </div>
         <Field className={styles.filter} label="Service Filter">
           <Combobox
@@ -487,12 +515,20 @@ export function TemplatesPage() {
 
       <DataState
         isLoading={isLoading || templateCategoriesLoading || servicesLoading}
-        error={error ?? templateCategoriesError ?? servicesError ?? deleteTemplate.error}
+        error={error ?? templateCategoriesError ?? servicesError ?? deleteTemplate.error ?? deleteSelectedTemplates.error}
       />
       {data && (
         <Table aria-label="Templates">
           <TableHeader>
             <TableRow>
+              <TableHeaderCell>
+                <Checkbox
+                  checked={allSelected}
+                  onChange={(_, checkboxData) =>
+                    setSelectedIds(checkboxData.checked ? filteredTemplates.map((template) => template.id) : [])
+                  }
+                />
+              </TableHeaderCell>
               <TableHeaderCell>Name</TableHeaderCell>
               <TableHeaderCell>Version</TableHeaderCell>
               <TableHeaderCell>Template Category</TableHeaderCell>
@@ -504,7 +540,7 @@ export function TemplatesPage() {
             {groupedTemplates.map((group) => (
               <Fragment key={`group-${group.serviceId}`}>
                 <TableRow className={styles.groupRow} onClick={() => toggleServiceGroup(group.serviceId)}>
-                  <TableCell colSpan={5}>
+                  <TableCell colSpan={6}>
                     <div className={styles.groupHeader}>
                       {expandedServiceGroups[group.serviceId] !== false ? <ChevronDownRegular /> : <ChevronRightRegular />}
                       <strong>{group.serviceName}</strong>
@@ -517,7 +553,7 @@ export function TemplatesPage() {
                       className={styles.groupRow}
                       onClick={() => toggleCategoryGroup(group.serviceId, categoryGroup.categoryId)}
                     >
-                      <TableCell className={styles.categoryHeaderCell} colSpan={5}>
+                      <TableCell className={styles.categoryHeaderCell} colSpan={6}>
                         <div className={styles.groupHeader}>
                           {expandedCategoryGroups[`${group.serviceId}:${categoryGroup.categoryId}`] !== false ? (
                             <ChevronDownRegular />
@@ -531,6 +567,12 @@ export function TemplatesPage() {
                     {expandedCategoryGroups[`${group.serviceId}:${categoryGroup.categoryId}`] !== false &&
                       categoryGroup.items.map((template) => (
                       <TableRow key={template.id}>
+                        <TableCell>
+                          <Checkbox
+                            checked={selectedIds.includes(template.id)}
+                            onChange={(_, checkboxData) => toggleSelected(template.id, Boolean(checkboxData.checked))}
+                          />
+                        </TableCell>
                         <TableCell className={styles.nestedLevel2Cell}>{template.name}</TableCell>
                         <TableCell>{template.version}</TableCell>
                         <TableCell>
diff --git a/src/types/portal.ts b/src/types/portal.ts
index 41e19da..d6a5953 100644
--- a/src/types/portal.ts
+++ b/src/types/portal.ts
@@ -22,19 +22,24 @@ export type AddDeploymentExecution = {
 };
 
 export type AddDeploymentRequest = {
-  deploymentBatchId: string;
+  deploymentGroupId: string;
   targetIds: string[];
   jsonData: string;
 };
 
 export type DeploymentJob = {
   id: string;
+  correlationId: string;
   type: string;
   status: string;
+  priority: number;
+  scheduledAt?: string;
   attempts: number;
   maxAttempts: number;
   started?: string;
   finished?: string;
+  heartbeatAt?: string;
+  workerName?: string;
   errorMessage?: string;
   targetCount: number;
   succeededTargetCount: number;
@@ -48,7 +53,10 @@ export type DeploymentJobTarget = {
   templateId: string;
   status: string;
   attempts: number;
+  started?: string;
+  finished?: string;
   errorMessage?: string;
+  outputMetadataJson?: string;
 };
 
 export type DeploymentJobStep = {
@@ -59,6 +67,10 @@ export type DeploymentJobStep = {
   stepType: string;
   status: string;
   metadataJson?: string;
+  started?: string;
+  finished?: string;
+  outputMetadataJson?: string;
+  errorMessage?: string;
   approvedAt?: string;
   approvedBy?: string;
   approvalComment?: string;
@@ -66,13 +78,20 @@ export type DeploymentJobStep = {
 
 export type DeploymentJobDetails = {
   id: string;
+  correlationId: string;
   type: string;
   status: string;
   payloadJson: string;
+  priority: number;
+  scheduledAt?: string;
   attempts: number;
   maxAttempts: number;
   started?: string;
   finished?: string;
+  heartbeatAt?: string;
+  workerName?: string;
+  lockedBy?: string;
+  lockedUntil?: string;
   errorMessage?: string;
   targets: DeploymentJobTarget[];
   steps: DeploymentJobStep[];
@@ -83,6 +102,11 @@ export type DeploymentBatch = {
   templateId?: string;
   deploymentRuleId?: string;
   status?: string;
+  primaryTemplateVersionId?: string;
+  primaryTemplateName?: string;
+  primaryTemplateVersion?: string;
+  templateSelectionCount: number;
+  targetAssignmentCount: number;
   created?: string;
   createdBy?: string;
   modified?: string;
@@ -97,10 +121,13 @@ export type DeploymentBatchDetails = DeploymentBatch & {
 };
 
 export type AddDeploymentBatch = {
-  templateId: string;
+  templateId?: string;
+  templateVersionId?: string;
   deploymentRuleId?: string;
   status: string;
   targetIds?: string[];
+  templateSelections?: AddDeploymentTemplateSelection[];
+  targetAssignments?: AddDeploymentTargetAssignment[];
 };
 
 export type DeploymentRuleStep = {