@echo off
echo Removing Windows NT SMTPSVC Server Performance Counters ....
   if "%1" == "quiet"   goto Continue
   echo Press any key to continue or CTRL-C to exit.
   pause >nul
:Continue

:Evars -------------------------------------------------------------------------
:. Only NT would have this evar set.
   if "%PROCESSOR_ARCHITECTURE%" == "" goto ErrProcessor


:Conditions --------------------------------------------------------------------
:. Check if NT is installed properly.
   if not exist %SystemRoot%\System32\ntoskrnl.exe goto ErrWinDir
   if not exist %SystemRoot%\System32\unlodctr.exe goto ErrWinDir


:ChkFiles ----------------------------------------------------------------------
:. Check if the user is in the setup directory.
   if not exist smtprctr.bat  goto ErrChkFiles

:. Check if all the tools are there.
   if not exist %SystemRoot%\System32\unlodctr.exe		goto ErrChkFiles


:Start Removal -----------------------------------------------------------------
:. Delete the DLL.
   del %SystemRoot%\System32\smtpctrs.dll >nul
   if errorlevel 1  echo WARNING: %SystemRoot%\System32\smtpctrs.dll is not found.
:. Remove the service from the Registry.
   unlodctr SmtpSvc
   if errorlevel 1 goto Failure

:Success
   echo.
   echo Successfully removed Windows NT SMTPSVC Server Performance Counters.
   goto CleanUp

:Failure
   echo.
   echo WARNING: Unable to remove the Windows NT SMTPSVC Server Performance Counters.
   goto CleanUp


:. Errors ----------------------------------------------------------------------
:ErrChkFiles
   echo ERROR: One or more files required by this installation is not found
   echo        in the current directory.
   echo.
   echo Be sure that %0 is started from the installation directory.
   echo        If installing the debug version, go to WINDEBUG;
   echo        if installing the release version, go to WINREL.
   echo If this error still occurs, you may be missing files.
   goto CleanUp

:ErrProcessor
   echo ERROR: The PROCESSOR_ARCHITECTURE environment variable is not set.
   echo        Windows NT may not be installed properly.
   goto CleanUp

:ErrWinDir
   echo ERROR: Unable to find required files in %SystemRoot%\System32.
   echo        Windows NT may not be installed properly.
   goto CleanUp

:CleanUp -----------------------------------------------------------------------
:End ---------------------------------------------------------------------------