HTTP Error 401.2 - Unauthorized When Accessing the App Portal Site

HTTP Error 401.2 - Unauthorized When Accessing the App Portal Site

Summary

HTTP Error 401.2 - Unauthorized message is encountered when accessing the App Portal Site after an upgrade

Symptoms

When accessing the App Portal site after an upgrade the following error might be encountered:

HTTP Error 401.2 - Unauthorized

You are not authorized to view this page due to invalid authentication headers.


Cause

This errors occurs if Windows Authentication within Internet Information Services (IIS) is disabled

Resolution

To resolve the issue, Open the Internet Information Services Manager and enable Windows Authentication on the ESD site on the App Portal Server.

Related KB Articles

Authentication error when attempting to enable Windows Authentication in IIS
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Last update:
‎Jul 16, 2018 11:04 PM
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