I recently provisioned AD RMS on WS 2003 R2 and I made a few notes as I ran into issues. Perhaps these will give you a nudge in the right direction if you are troubleshooting: First, you must download Windows RMS 1.0 SP2 and install it. The installation...

Since the worldwide implementation of AD RMS at Microsoft, each day, an average of approximately 5,000 documents and e-mail messages are protected to be consumed by 80,000 unique users. These numbers continually grow as an increasing number of users adopt...

I wanted to try a little experiment and embed a video on my blog. The following video is Ed Banti, a program manager for Exchange, discussing RMS features for end users in Exchange 2010. Enjoy.