Hi Lucas,
What version of PGP Universal Server are you using?
Is Directory Synchronization enabled?
There is a known issue where Preset Policy Group is ignored if Directory Synchronization is enabled and the issue has been fixed in 3.2 MP4.
Please refer to the release notes (2656596).
http://www.symantec.com/business/support/resources/sites/BUSINESS/content/live/DOCUMENTATION/4000/DOC4562/en_US/pgpUniversal_320MP4_readme_en.pdf
Thanks.
Daichi Terada, CISSP