LISTING 1: First.bat

@ECHO OFF

REM  Identify the client OS.
     if "%OS%"=="Windows_NT" goto winntscr 
     goto end

     :winntscr

BEGIN CALLOUT A
REM  Remap network drives to use new user ID credentials.
     FOR %%I IN (A B C D E F G H I J K L M N O P Q R S T U V W X Y Z) DO %0\..\reg update 
HKCU\Network\%%I\UserName="NEWDOMAIN\%USERNAME%"  
END CALLOUT A

REM  Add the Migrate user to the local Administrators group.
     net localgroup administrators OLDDOMAIN\Migrate /add > NUL

REM  Set environment variables for later use. 
     %0\..\regchg "SYSTEM\CurrentControlSet\Control\Session Manager\Environment" 
MigrateUser REG_SZ %USERNAME% > NUL
     %0\..\regchg "SYSTEM\CurrentControlSet\Control\Session Manager\Environment" 
MigrateProfile REG_SZ %USERPROFILE% > NUL

BEGIN CALLOUT B
REM  Enable automatic logon for the Migrate account. 
     %0\..\regchg "SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" 
AutoAdminLogon REG_SZ "1" > NUL
     %0\..\regchg "SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" 
DefaultUserName REG_SZ "Migrate" > NUL
     %0\..\regchg "SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" 
DefaultDomainName REG_SZ "OLDDOMAIN" > NUL
     %0\..\regchg "SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" 
DefaultPassword REG_SZ "password" > NUL
END CALLOUT B

REM  Null the shell to lock down Migrate logon. 
     %0\..\regchg "SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" Shell REG_SZ "" 
> NUL 

BEGIN CALLOUT C
REM  Tell NT to remain connected via RAS after user logoff so that the scripts can continue to run via RAS.
     %0\..\regchg "SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" 
KeepRasConnections REG_SZ "1" > NUL
END CALLOUT C

:end

REM  Log user off.
     %0\..\Logoff.exe