No matter what I have tried the Insert->ReWire option remains greyed out.
I have followed this advice.
http://www.cakewalk.com/Support/Knowledge-Base/2007013043/The-Complete-Guide-to-Using-Rewire-Part-2 I have Reason 8.3 64bit and Sonar Artist 64bit. It all worked fine on my old Win 7 64bit laptop.