Disable Loopback when you experience HTTP 401.1 when accessing web site from localhost
I experienced something that made my whole day full of troubleshooting. On a Windows 2008 Server Microsoft Dynamics CRM 4.0 was installed. CRM web application was using port 80 and had no host headers defined. Great, I wanted another web application to be located on the same server and therefore we created a DNS entry [...]
