Error 401 - Unauthorized: Access denied due to invalid credentials

As of NDD Print MF HP version 5.19.0 does not use the IIS feature and no additional configuration is required

Fail

Error 401 - Unauthorized: Access denied due to invalid credentials occurs when accessing the HP NDD Print Client.

Cause

IIS authentication feature enabled as Basic Authentication.

Solution

Enable the Anonymous Authentication feature in IIS.

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