Using Oauth tickets across several services?

Question

I currently have a pair of OWIN-based services that each use OAuth authentication against the same set of users. I intend to isolate the authorisation server (i.e. The token

Answer 1

The Katana OAuth2 Authorization Server middleware wasn't really designed for this scenario (mainly because its reliance upon the machinekey for token verification).

If you're looking to centralize the token generation then you should look into an OAuth2 authorization server that's designed for this. Thinktecture AuthorizationServer is an open source server that does this: http://thinktecture.github.io/Thinktecture.AuthorizationServer/