::REM ----------------- Begin sample batch script -----------------------------
@echo off
cls
::REM Get Legacy Exchange DN from AD sample script
::REM By John Seaman, www.japan-page.net/batch
::REM (C)Copylefted under terms of the GNU / GPL


::REM This script will take a user name (samAccountName) and add the custom value specified below into the 
::REM AD Custom Attribute field #3.  A custom LDAP script can then search this field and select all users
::REM for the exchange attributes removal/migration/etc.

::REM Note: to see the field from ADUC, go to Exchange Advanced tab, choose Custom Fields.

::REM This script requires adfind.exe and admod.exe from from Joeware.net (http://www.joeware.net/win/free/tools/adfind.htm).
::REM Big thanks to Joe Richards !!!

::REM Usage call this script and append the user ID after it, updateLdap.cmd <username> 
::REM Or run a loop like the following....
::REM for /f %%i in (userlist.txt) do call :processUser %%i
::REM pause
::REM goto :EOF

::REM Be sure to update the _baseDN field for your domain!

::REM Set variables

  set _dc=MyDomainController
  set _baseDN="OU=MyOuInActiveDirectory,DC=root,DC=MyDomain,DC=com"

::REM Create log file

  set _log=updateLdap.log



::REM Set the text to add to the custom field

  set _text=20080816migrate


:processUser
::REM Start

  echo Now applying update to user $1...


::REM ---------------------
::REM Get username base DN:

	
	::REM Time to get jiggy...

	  adfind -b %_baseDN% -f "(&(objectcategory=user)(samAccountName=%1))" -dn >_out.txt


	type _out.txt | find "dn:" >_userDN.txt

	::REM Fix the UserDN by nuking the first 3 characters...
	::REM I use textTools32, replace with SED or your favorite text editor

	type _userDN.txt | t repl 'dn:' '' >_userDN1.txt

        for /f "delims=@" %%i in (_userDN1.txt) do echo User $1 DN is %%i >>%_log%


::REM ----------------------



::REM Call ADmod and fix the field

  for /f "delims=@" %%i in (_userDN1.txt) do call admod.exe -h %_dc% -b "%%i" "extensionAttribute3::%_text%" -exterr >>%_log%
  echo %errorlevel%


:EOF
::REM ----------------- End sample batch script -----------------------------