It depends on the area you're looking into.
The link below is the MS Windows services for
Rights Management group.
=========
Is there a partiular Microsoft Discussion Group for DRM?
I'm not sure exactly where to post my qustions.
Thanks.>>
--
LLet us know if this has helped you,
Bob Buckland ?

MS Office System Products MVP
*courtesy is not expensive and can pay big dividends8
A. Specific newsgroup/discussion group mentioned in this message:
news://msnews.microsoft.com/microsoft.public.rights_mgmt_svcs
or via browser:
http://microsoft.com/communities/newsgroups/en-us/?dg=microsoft.public.rights_mgmt_svcs
B. MS Office Community discussion/newsgroups via Web Browser
http://microsoft.com/office/community/en-us/default.mspx
or
Microsoft hosted newsgroups via Outlook Express/newsreader
news://msnews.microsoft.com