LASTEXITCODE in powershell is alway 0

Question

I am not a great powershell expert and I stumble on a problem that is undoubtedly trivial

When I run the following command in CMD (SAP related but it's not important)

.\sapcontrol.exe -nr 00 -prot PIPE -function GetProcessList

I get an exit code which may have different values depending on the state of the processes :

0 Last webmethod call successful
1 Last webmethod call failed, invalid parameter
2 StartWait, StopWait, WaitforStarted, WaitforStopped, RestartServiceWait timed out
3 GetProcessList succeeded, all processes running correctly
4 GetProcessList succeeded, all processes stopped

In powershell when i use

Start-Process or & cmd.exe / c my $LASTEXITCODE or $? always returns 0 (probably to tell me that the command has been executed ... but that's not what I want ...)

how to get the equivalent of EXITCODES in powershell ?

thanks in advance

For $LASTEXITCODE to be populated, you need to invoke the executable directly, eg. & .\sapcontrol.exe .... If you're using Start-Process, you'll have to check the ExitCode property on the Process object returned by Start-Process — Mathias R. Jessen
– Mathias R. Jessen, Commented Sep 1, 2021 at 10:02
why do you use Start-Process instead of running the exe file directly? — phuclv
– phuclv, Commented Sep 1, 2021 at 10:02

Cid · Accepted Answer · 2021-09-01 10:04:06Z

2

With Start-Process you can pass the argument -PassThru to get an object containing the process. Then, you can use the exit code property inside that object using $YourProcess.ExitCode :

$oProcess = Start-Process -Path $executablePath -ArgumentList $executableArguments -Wait -PassThru
$exitcode = $oProcess.ExitCode

2 Comments

phuclv Over a year ago

Start-Process here is not necessary, because the OP calls the exe from cmd directly instead of start sapcontrol.exe in cmd

Cid Over a year ago

@phuclv of course, it's just one of the ways to do it

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