As you have noticed Remote Control of a Multi-monitor session is not supported. I am not aware of any public statements/documentation from Microsoft that they intend to fix this, however, they may at some point.
-TP
Proposed as answer byFreek BersonMVPSaturday, January 14, 2012 8:32 PM
Marked as answer byTP []MVPFriday, January 27, 2012 10:20 PM