HttpContext.Current.User.Identity.Name is empty using IIS Express but not Visual Studio Development Server [duplicate]

Answer 1

I have solved it! you need to give permission to "NETWORK", "NETWORK SERVICE" and IIUSRS in the folder. And disable the anonymous access.

Answer 2

I solved this problem by changing the IIS in Authentication

Windows Authenticaon = Enabled
Anonymous Authentication = DISABLED <=== Important
ASP.NET Impersonation Enabled

My IIS