Error 401 during authentication

Issue encountered

GFI Archiver fails to authenticate when loading the web interface with Error 401.


This error occurs when the IIS® authentication method is not configured correctly on the GFI Archiver server.


Verify the Internet Information Services (IIS®) authentication method used.

IIS® 7 and later

  1. Navigate to Start > Server Manager >Tools > IIS® Manager.
  2. Expand <web server name> > Sites > Default Web Site and select Archiver.
  3. In the Features view, double click Authentication.
  4. Click Anonymous Authentication and from the right pane select Enable.
  5. Select the authentication method to use and from the right pane click Enable. Windows Authentication is recommended.
  6. Close the IIS® Manager