The default GP ADM files for Windows 2000 and its service pack variations, XP and its service pack variations, and Windows Server 2003 and its service pack variations can be found here: Group Policy ADM Files.
One of the benefits of having a TechNet Plus subscription with a virtual SBS setup in its default configuration is the ability to go back and reference those default policies that SBS installs from the get-go.
The above download will provide a frame of reference for the default policy settings and policy settings that were added with each subsequent service pack.
Microsoft Small Business Specialists
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