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Greetings, I've found and used @TheDcoder's ProcessEX UDF, and have found it and invaluable tool in my scripting arsenal. Recently, I found myself needing to create a script which then attempts to run another program as a different user. I was able to heavily borrow from the _Process_RunCommand function to create _Process_RunAsCommand: ; #FUNCTION# ==================================================================================================================== ; Name ..........: _Process_RunAsCommand ; Description ...: Runs a command or an executable under a different user security privilege. ; Syntax ........: _Process_RunAsCommand($iMode, $sUserName, $sUserPass, $sUserDomain, $sExecutable [, $sWorkingDir = @TempDir [, $iRunOptFlag = $STDERR_MERGED]]) ; Parameters ....: $iMode - Mode in which this function should operate, See Remarks. ; $sUserName - User name under which you would like to run the command/executable. ; $sUserPass - Password for $sUserName. ; $sUserDomain - Domain name to which the $sUserName belongs. ; $sExecutable - The command to run/execute (along with any arguments). ; $sWorkingDir - [optional] The working directroy for the command. Default is @TempDir. $sUserName must have ; privileges to create/modify files on this directory. ; $iRunOptFlag - [optional] The Opt flag for the Run function. Default is $STDERR_MERGED. ; Return values .: Success: Mode $PROCESS_RUN : Will return the process handle & @extended will contain the PID of the command ; Mode $PROCESS_RUNWAIT : Will return the output & @extended will contain the exit code for the function ; Failure: Will return False & @error will contain: ; 1 - If the $iMode flag is invalid ; 2 - If the command is invalid ; Author ........: J. Sanchez, heavily borrowing from code by TheDcoder ; Modified ......: N/A ; Remarks .......: 1. The ONLY valid modes are: $PROCESS_RUN & $PROCESS_RUNWAIT ; $PROCESS_RUN : Will act similarly to Run function, See Return values ; $PROCESS_RUNWAIT : Will act similarly to RunWait function, See Return values ; If you use $PROCESS_RUN then use _Process_GetExitCode to get the exit code & use StdoutRead to get the output of the command ; 2. Use $PROCESS_COMMAND to run commands like this: $PROCESS_COMMAND & "ping 127.0.0.1" ; 3. Add $PROCESS_DEBUG to $iMode to automagically debug the command, $PROCESS_RUN is equivalent to $PROCESS_RUNWAIT in this case ; Related .......: RunAs, RunWait ; Link ..........: http://bit.ly/ProcessUdfForAutoIt ; Example .......: Yes, see example.au3 ; ===============================================================================================================================; Functions Func _Process_RunAsCommand($iMode, $sUserName, $sUserPass, $sUserDomain, $sExecutable, $sWorkingDir = @TempDir, $iRunOptFlag = $STDERR_MERGED) Local $iExitCode = 0 ; Declare the exit code variable before hand Local $sOutput = "" ; Declare the output variable before hand Local $bDebug = False ; Declare the debug variable before hand If BitAND($iMode, $PROCESS_DEBUG) Then $bDebug = True If BitAND($iMode, $PROCESS_RUN) Then $iMode = $PROCESS_RUN ElseIf BitAND($iMode, $PROCESS_RUNWAIT) Then $iMode = $PROCESS_RUNWAIT Else Return SetError(1, 0, False) EndIf ; If Not $iMode = $PROCESS_RUN Or Not $iMode = $PROCESS_RUNWAIT Then Return SetError(1, 0, False) ; If the mode is invalid... ;Local $iPID = Run($sExecutable, $sWorkingDir, @SW_HIDE, $iRunOptFlag) ; Run!!! :P Local $iPID = RunAs($sUserName,$sUserDomain,$sUserPass,BitAND(0,4),$PROCESS_COMMAND & " " & $sExecutable,$sWorkingDir,@SW_HIDE,$iRunOptFlag) If @error Then Return SetError(2, @error, False) ; If the command is invalid... Local $hProcessHandle = _Process_GetHandle($iPID) ; Get the handle of the process If $iMode = $PROCESS_RUN Then If Not $bDebug Then Return SetExtended($iPID, $hProcessHandle) ; If the function is in Run mode then return the PID & Process Handle $sOutput = _Process_DebugRunCommand($hProcessHandle, $iPID) ; Debug the process $iExitCode = _Process_GetExitCode($hProcessHandle) ; Note the exit code Return SetExtended($iExitCode, $sOutput) ; Return the output & exit code EndIf If Not $bDebug Then While ProcessExists($iPID) $sOutput &= StdoutRead($iPID) ; Capture the output Sleep(250) ; Don't kill the CPU WEnd $sOutput &= StdoutRead($iPID) ; Capture any remaining output $iExitCode = _Process_GetExitCode($hProcessHandle) ; Note the exit code Return SetExtended($iExitCode, $sOutput) ; Return the exit code & the output :D EndIf $sOutput = _Process_DebugRunCommand($hProcessHandle, $iPID) ; Debug the process $iExitCode = _Process_GetExitCode($hProcessHandle) ; Note the exit code Return SetExtended($iExitCode, $sOutput) ; Return the output & exit code EndFunc The issue that I currently have is that, regardless of what the errorlevel returned by the program being executed, the errorlevel returned by the _Process_RunAsCommand is 259, which, according to this page it means that there's no more data (I'm guessing from the STDIO and STDERR?) Any guidance would be greatly appreciated.