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

In addition to the above answers, depending on which template was used to create the project you may have Startup.Auth.cs in the App_Start folder with the following code which can be commented out:

// Enable the application to use a cookie to store information for the signed in user
app.UseCookieAuthentication(new CookieAuthenticationOptions
{
     AuthenticationType = DefaultAuthenticationTypes.ApplicationCookie,
     LoginPath = new PathString("/Account/Login")
});
// Use a cookie to temporarily store information about a user logging in with a third party login provider
app.UseExternalSignInCookie(DefaultAuthenticationTypes.ExternalCookie);