How to detect and remove inactive machine accounts

SUMMARY

1. Create the following batch files from their listings below: Oldms.bat, Oldms2.bat, Oldms3.bat, Oldms4.bat, Deloldms.bat, and Bat2.bat.
2. Run the Oldms.bat file from a command prompt while logged on as an administrator. Use the following syntax:
   
   OLDMS.BAT DomainName
3. Open the Output.txt file using a text editor, and REMOVE all lines that contain machine accounts that are VALID. The remaining lines in Output.txt should contain only machine accounts that will be deleted.
4. Run the Deloldms.bat file. This file will read the Output.txt file, and delete each machine account by calling the Netdom.exe resource kit utility.

   @echo off
   if "%1"=="" goto nodomain
   set dom=%1
   set deloldms=
   netdom /d:%1 bdc | find "Found PDC" > temp4.txt
   for /f "tokens=3" %%a in (temp4.txt) do set pdc=%%a
    if exist ms2.txt del ms2.txt
    if exist output.txt del output.txt
    if exist out2.txt del out2.txt
    if exist temp4.txt del temp4.txt
   echo.
   echo Generating Server List of Member Servers and Workstations
   echo.
   echo Please Wait...
   netdom /d:%1 /noverbose member > MS.TXT
   for /F "delims=\\ tokens=1" %%a in (ms.txt) do echo %%a >> MS2.TXT
   cls
   echo.
   echo Generating List of Member Servers and Workstations - Done
   echo.
   echo List Generated.  Checking Password Ages.
   echo.
   echo Please Wait...
   for /F "tokens=1" %%a in (ms2.txt) do call oldms2.bat %%a %dom% %pdc%
   sort < output.txt > out2.txt
   del output.txt
   echo Machine account ages for domain: %dom% >> output.txt
   echo ------------------------------------------------ >> output.txt
   type out2.txt >> output.txt
    if exist ms.txt del ms.txt
    if exist out2.txt del out2.txt
    if exist temp3.txt del temp3.txt
    if exist ms2.txt del ms2.txt
    if exist temp.txt del temp.txt
    if exist temp4.txt del temp4.txt
    if exist total.txt del total.txt
    if exist working.txt del working.txt

    REM *** IMPORTANT Make the next 2 lines 1 line.  Wrapped for readability ***

   FOR /F "SKIP=2 tokens=1,2,3" %%A IN (OUTPUT.TXT) DO echo %%A %%B
   %%C>>working.txt
   type working.txt|find " " /c>total.txt
   for /f "tokens=1" %%A in (total.txt) do set deloldms=%%A
   echo.
   Echo List Complete
   echo.
   Echo %deloldms% machine accounts found.
   echo.
   echo Now edit OUTPUT.TXT and remove all valid machine accounts.
   echo Machine accounts remaining in OUTPUT.TXT will be deleted.
   echo After OUTPUT.TXT has been modified, run DELOLDMS.BAT to
   echo delete machine accounts.
   echo.
   if exist total.txt del total.txt
   if exist working.txt del working.txt
   goto end
   :nodomain
   echo Specify the target domain on the command line
   echo EXAMPLE: oldms MyDomainName
   :end
				

   rem %1 = member server
   rem %2 = domain
   rem %3 = pdc
   nltest /server:%3 /user:%1$ | find "PasswordLastSet" > temp.txt
   for /F "delims== tokens=2" %%a in (temp.txt) do oldms3.bat %%a %1
				

   rem %1 = date
   rem %2 = time
   rem %3 = member server
   echo %1 > temp3.txt

   REM *** IMPORTANT Make the next 2 lines 1 line.  Wrapped for readability ***

   for /F "delims=/ tokens=1,2,3" %%a in (temp3.txt) do oldms4.bat %%a %%b
   %%c %2 %3
				

   rem %1 = month
   rem %2 = day
   rem %3 = year
   rem %4 = time
   rem %5 = member server
   echo %3/%1/%2 %4 %5 >> output.txt
				

   @echo off
   set dom=
   set deloldms=
   if exist total.txt del total.txt
   if exist working.txt del working.txt

   REM *** IMPORTANT Make the next 2 lines 1 line.  Wrapped for readability ***

   FOR /F "SKIP=2 tokens=1,2,3" %%A IN (OUTPUT.TXT) DO echo %%A %%B
   %%C>>working.txt
   type working.txt|find " " /c>total.txt
   for /f "tokens=1" %%A in (total.txt) do set deloldms=%%A
   cls
   echo.
   Echo NOTICE: %deloldms% machine accounts found in OUTPUT.TXT, ready for
   deletion
   Echo Press Ctrl + C to abort or..
   echo.
   pause
   FOR /f "tokens=6" %%a in (output.txt) do set dom=%%a
   if "%dom%"=="" goto nodomain
   FOR /F "SKIP=2 TOKENS=3" %%A IN (OUTPUT.TXT) DO CALL BAT2 %%A
   if exist total.txt del total.txt
   if exist working.txt del working.txt
   goto end
   :nodomain
   Echo Domain Name Missing from OUTPUT.TXT
   Echo Re-run OLDMS.BAT
   :end
				

   NETDOM /d:%dom% MEMBER %1 /DELETE