I am creating a brand new projet with Visual Studio 2013, I choose Asp.Net MVC and the framework 4.5.1 The project is created, then, I do nothing else than F5 to start the d
I solved the same problem thanks to this accepted answer: ASP.NET Login Redirect Loop when user not in role.
It is possible that the controller containing Login action is decorated with an AuthorizeAttribute (even a custom one) while the login action is not decorated with AllowAnonymous attribute. Removing AuthorizeAttribute from the controller and adding AllowAnonymous to login action may be a possible solution.