Someone whose spent more nights than I have burning the midnight oil, please correct me if I am absolutely out of wack here but it is my understanding that, If you place the appropriate ADMX templates, and the associated ADML templates, ( usually located
in the language folder EX: "en-us" ), in the repository mentioned above, and you Group Managemtn Policy Editor displays the configurable OFFICE options, you have successfully loaded the templates and have access to those OFFICE customizations. these
settings will then reach out the the clients being targeted and in fact generate the REGISTRY setting according to the setting in the GPO. For instance; creating a gpo to disable pst, will in fact generate a REGISTRY key on that box that effectively disables
PST functions.
If you are creating GPO's to explicitly create registry keys you might have the "wrong path" depending on the edition/year of your OFFICE suite.
For Example, you might be placing here: HKEY_CURRENT_USER\Software\Microsoft\Office\
as opposed to here: HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\
Or, vice versa.
My point is ensure the path is accurate, or the settings will not apply.
DISCLOSURE: this post is "AS IS", implement at your own risk.