Updating the adm files used by group policy
More specifically, they will ignore ADM files if their ADMX-based counterparts are available, automatically load any custom ADM files residing in a target GPT folder, and allow you to add any additional ones using entry in the context-sensitive menu of the Administrative Templates node in the Group Policy Management Editor console.
Finally, include in your Central Store any custom ADM files that you have been using to configure existing Group Policy Objects.
Geographically distributed companies that operated in a multi-lingual environment faced an additional challenge, resulting from an inability of several, language-specific copies of a template to coexist in the same GPT folder.
Effectively, it was not unlikely for the Group Policy setting provided some relief to Windows XP and Server 2003 based IT staff when dealing with this issue; however, this workaround was contingent on having copies of all templates used across the enterprise on each administrative system.
The latest iteration of Group Policy templates offer much-improved manageability.
Starting with the Windows 2000 platform, Microsoft considerably enhanced its ability to centrally administer a variety of computer and user characteristics.
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In the case of the former, you can follow instructions outlined in the Tech Net article Active Directory Schema Extensions for Windows Vista Wireless and Wired Group Policy Enhancements.