The server also serves the DC and ADCS role (don't ask, working on severing). Either the user name provided does not map to an existing account or the password was incorrect.'. My NPS policies (with certificate auth) have been failing to work since the update, stating 'Authentication failed due to a user credentials mismatch. At there is this thread with a similar description of issues: I had briefly pointed out this problem in the post Windows, Office: May 2022 Patchday issues and mysteries. Either the user name provided does not map to an existing user account or the password was incorrect).Īfter uninstalling the update, the NPS works again. With the update KB5013941 no more authentications can be done due to certificates (Error 16, Authentication failed due to a user credentials mismatch. Yes, I have the NPS running here with computer certificates. Within my German blog there is this detailed discussion about problems with 802.1x certificates after patching domain controllers and NPS servers.

Ubuntu nomachine authentication failed