I have tried the fix on the cakewalk site:

 
and still after numerous scans still can't get X3 Producer to recognize of find Session Drummer 3. The .dll is in the Session Drummer folder and I have even pointed the browser there to scan. Anyone have any ideas?
 
 
I am running Windows 8.1 Pro

I am guessing this is the fix you have tried http://www.cakewalk.com/Support/Knowledge-Base/2007013357/Session-Drummer-3-is-not-being-recognized-by-SONAR-X3. The knowledge base article was based on these posts   http://forum.cakewalk.com/FindPost/2950211 http://forum.cakewalk.com/FindPost/2950515
 

Cyberspace is weird today :-) now Session Drummer 3 is showing up so please disregard post. Thanx.