WSUS CLEANUP via Powershell
$WSUS = Get-WsusServer -Name SERVERNAME -PortNumber 8530Invoke-WsusServerCleanup -UpdateServer $WSUS -CleanupObsoleteComputers -VerboseInvoke-WsusServerCleanup -UpdateServer $WSUS -CleanupObsoleteUpdates -VerboseInvoke-WsusServerCleanup -UpdateServer $WSUS -CleanupUnneededContentFiles -VerboseInvoke-WsusServerCleanup -UpdateServer $WSUS -DeclineExpiredUpdates -VerboseInvoke-WsusServerCleanup -UpdateServer $WSUS -DeclineSupersededUpdates -Verbose