HTTP Error 401.1 - Unauthorized
Symptoms
When you attempt to access XIA Configuration Server you may see the following error message:
HTTP Error 401.1 - Unauthorized
Cause
The issue can be caused if
- You are accessing XIA Configuration Server using a NetBIOS name or fully qualified domain name that is different from the server name - for example the server is demo-srv01.demonstration.int and you are using the address inventory.demonstration.int.
- and -
- You installed XIA Configuration Server using specific credentials instead of the default which is to use the Network Service account. This sets the credentials used by the XIA Configuration Server application pool.
Resolution
To resolve the issue
- Access the server using the server's fully qualified domain name.
- or -
- When you install XIA Configuration Server select the option to use the Network Service account.
- or -
- Register the SPN for the custom FQDN and specific credentials using the following Microsoft article KB871179.