Powershell(?) RDP - Simpel verwalten

# Adminrechte anfordern
if (!([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) { Start-Process powershell.exe "-NoProfile -ExecutionPolicy Bypass -File `"$PSCommandPath`"" -Verb RunAs; exit }  


function ConnectVMNew($PCName)
{

    $z=0
    $max_z = 45 # sekunden
    Do {

        if (-not (Test-Connection -ComputerName $PCName -Count 1 -Quiet)){
         Write-Host "Windows wird gestartet. Bitte warten."  
         $z++
            }
        else
            {
        Start-Process "mstsc.exe" "c:\VM\windows7.rdp" -wait  
        $z=$max_z+3
        }
    }while ( $z -lt $max_z)
}

ConnectVMNew "W7_Test"