Finally managed to solve a weird issue with external Google authentication in a new MVC 5 application I am working on (CrowdBacklog). This is to help me remember what to do and hopefully help others fix their issues if they stumble upon it… The Scenario VS2013 update 2 Brand new MVC 5 project targeting .Net 4.5.1 – no old MVC4 / Web Forms crud messing things up Startup.Auth.cs has been updated with Google clientid and […] Read more »