http://blogs.technet.com/b/rmssupp/archive/2012/06/13/ad-rms-server-returns-iis-500-errors.aspxI’ve seen a rash of these cases recently. It’s ranged from not being able to configure IRM integration on SharePoint (hence my earlier post) to just about any client interaction with RMS server symptom. The client will report some error. The AD RMS serveren-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)