GPO was never proposed as an option as it is not supported. The other thread made no mention of SAMBA.
The GPO stle policy can be translated into NT4 style policies by creating custom ADM files.
An admin script could reach out over the network and modify the registry locations albeit not as HKCU. You would have to walk the SIDs of the user's hives.
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Give a man a fish and he will be back for more. Slap him with a fish and he will go away forever.
