HTTP Error 401.2 - Unauthorized
You are not authorized to view this page due to invalid authentication headers.
This error may be fixed by disabling anonymous authentication and selecting windows authentication for the default settings in your IIS.
Open IIS Manager and navigate to the level you want to manage.
1. In Features View, double-click Authentication.
2. On the Authentication page, select Windows Authentication.
3. In the Actions pane, click Enable to use Windows authentication.