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Missing UPN, users getting GetADProperty Failed to get UserPrincipalName error in event viewer

This article applies to the following products:

Messageware EPG 2019
Messageware EPG 2016
Messageware EPG 2013

SYMPTOM

In event viewer users are getting GetADProperty Failed to get UserPrincipalName error.

CAUSE

The userPrincipalName is not set in Active Directory (AD) due to which this error is persisting.

SOLUTION

Assign the userPrincipalName in Active Directory

Open Active Directory
Right click on the user account that has the issue and click properties
Click Attribute Editor and navigate to userPrincipalName in the list
Set the userPrincipalName to a value of your specification
Click Apply and OK

Updated: Jun 08, 2021

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