function ConvertTo-ConfigurationDataDomainCredential {
    [CmdletBinding()]
    Param(
        [Parameter(Mandatory=$true)]
        [System.Management.Automation.PSCredential]
        $Credential,

        [Parameter(Mandatory=$true)]
        [string]
        $Domain
    )

    if([string]::IsNullOrWhiteSpace($Domain)){
        throw "Credential domain must not be empty."
    }

    $UserName = [string]$Credential.UserName
    if($UserName.Contains("\") -or $UserName.Contains("@")){
        return $Credential
    }

    return [System.Management.Automation.PSCredential]::new(
        "$Domain\$UserName",
        $Credential.Password
    )
}