Batch Befehle sollen warten bis vorgängiger Dienst beendet ist

notepad
exit

start /wait notepad
exit

if (!($found)) {
    Invoke-Command -ComputerName WS2-SQL -Credential $cred `
    -ScriptBlock { `
    $JobA = Start-Job { `
            stop-service -name "SQLSERVERAGENT" -force -passThru -ErrorAction Continue `  
        }; `    
    Start-Sleep 30 ; `    
    $JobS = Start-Job { `
            stop-service -name "MSSQLSERVER" -force -passThru -ErrorAction Continue `  
        }; `
    Start-Sleep 30; `
    cmd /c taskkill /f /im sql*; `   
    Start-Sleep 5; `
    Start-Service -Name "MSSQLSERVER"; `  
    Start-Sleep 30; `
    Start-Service -Name "SQLSERVERAGENT"; `  
    }

    Start-Sleep 5
    cmd /c "C:\ProgramData\chocolatey\bin\plink.exe  root@web02 -batch -i C:\fl-system\putty-private.ppk (systemctl restart tomcat8)"  

    WriteLog "xyneu gestartet!"  

} ELSE { WriteLog "xy läuft!" }  

Function QueryXYZ() {
            [boolean]$found = $false
            $WebResponse = ""  
            $authstr = $BMVuser+':'+$BMVpwd  
            $creds = [System.Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes($authstr))
            $WebResponse = Invoke-WebRequest $BMVurl -TimeoutSec 60 `
            -Headers @{ 'Authorization' = 'Basic ' + $creds }	  
            $h2 = $WebResponse.AllElements | Where {$_.TagName -eq "h2"}  
            [boolean]$Script:found = $h2.outerText -eq $BMVtestAuftrag
            }

while ((!($found)) -and $whileLoopCtr -lt 21) { QueryXYZ; Start-Sleep 5; $whileLoopCtr+=1; }