ADMX Templates Missing - But not really

This is driving me crazy...

I have a bunch of ADMX templates which I would like to make use off in my domain. I have installed them locally to C:\Windows\PolicyDefiniations (and placed the corresponding ADML files in a en-US subfolder.

To say I created would be wrong, since the domain was built a long time ago by someone else, but there is a folder present for a central store, namely - \domainname\sysvol\domainname\PolicyDefiniations (and the language subfolder).

These folders are identical in contents, confirmed by a folder comparison tool.

If I open gpedit.msc on the Domain Controller, it sees all the ADMX files and reads them as I would expect them to, however, if I open gpmc.msc and expand a new (or existing) Group Policy Object then I don't see the same options and fairly obvious templates which have their own 'folder', such as FSLogix are completely missing, but present if I use gpedit.msc

If I open the gpmc.msc console, I can see that it says it's looking for the templates in the central store, but something isn't right.

Any ideas?

Your central store is created under the wrong directory, it should be:

\\domain.name\SYSVOL\domain.name\policies\PolicyDefinitions (you forgot "policies", thus gpmc will not be able to find the administrative templates)