MVC5 Redirects to Login.aspx when using Windows Authentication

Question

After upgrading from MVC 4 to MVC 5, my application (when started from within Visual Studio) gives the following error. It might also be worth noting that I am hosting both

Answer 1

If you are running your app locally and getting an http 401 error then you may need to change your IISExpress configuration. Go to Documents>IISExpress>applicationhost.config

Make sure windowsAuthentication is enabled: