@ECHO OFF
SET TempDir=IBMTemp
MD "%TempDir%"

:: Export registry tree to a temporary file
START /WAIT REGEDIT /E "%TempDir%.\test1.dat" "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CMDIDE"

:: Read the required value from the temporary file
FOR /F "tokens=1* delims==" %%A IN ('TYPE "%TempDir%.\test1.dat"') DO IF /I %%A=="Start" ECHO %%B > "%TEMPDIR%.\CMD.DAT"

:: Search for the disabled value of 0x2
FINDSTR /I "dword:00000002" "%TEMPDIR%.\CMD.DAT"
IF Errorlevel=1 GOTO TIDYUP

:: Create the REG file
ECHO Windows Registry Editor Version 5.00 >> "%TempDir%.\CMDREG.REG"
ECHO. >> "%TempDir%.\CMDREG.REG"
ECHO [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CmdIde] >> "%TempDir%.\CMDREG.REG"
ECHO "Start"=dword:00000003 >> "%TempDir%.\CMDREG.REG"

:: Apply the REG file
REGEDIT /S "%TempDir%.\CMDREG.REG"

:TIDYUP
:: Delete the temporary files
IF EXIST "%TempDir%.\test1.dat" DEL "%TempDir%.\test1.dat"
IF EXIST "%TempDir%.\CMD.dat" DEL "%TempDir%.\CMD.dat"
IF EXIST "%TempDir%.\CMDREG.REG" DEL "%TempDir%.\CMDREG.REG"
IF EXIST "%TempDir%" RD "%TempDir%"