.adm files included with Windows
Four Administrative Templates (.adm) files are included with Windows XP Professional. The following table contains a brief description of each of the .adm files. For more information about .adm files, see Administrative Templates
System.adm, Inetres.adm, Wmplayer.adm, and Conf.adm use the four reserved Group Policy registry areas. For the locations of these areas, see Windows NT 4.0 system policies
Visibility of System Policy settings in the Group Policy console
When you add an .adm file to Group Policy, as described in To add or remove an Administrative Template (.adm file), by default only the settings that are contained in the genuine Group Policy trees (the trees that correspond to the reserved Group Policy registry areas) are visible in the console.
If you want to change this default behavior and make not only Group Policy settings but also the older-style System Policy settings visible, see To filter the view provided by Administrative Templates Clear the Only show policy settings that can be fully managed check box, as described in that procedure. Your ability to clear this check box in the Filtering dialog box is subject to the Group Policy setting "Enforce Show Policies Only."
Group Policy object name [domain_controller_name.domain_name] Policy > User Configuration > Administrative Templates > System > Group Policy
When you make System Policy settings appear in a Group Policy console, the icons for these settings are colored red. The icons for true Group Policy settings are colored blue.
To optimize Group Policy technology, including Administrative Templates, see Best practices