When you load the Windows XP SP2 .ADM files on Windows Server 2003 and Windows 2000, you receive a String is too long error message.

Update for Windows Server 2003 (KB842933)

"Install this update if you receive the 'String is too long' error when trying to open a Group Policy object from a computer running Windows Server 2003."

Update for Windows 2000 (KB842933)

"Install this update if you receive the String is too long error when trying to open a Group Policy object from a computer running Windows 2000. Once you have installed this item, it cannot be removed."