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An Unexpected Error similar to the following may be displayed in the browser: 

No users will be able to access the site or view their requests.


The above error is not typically enough to diagnose the issue.  Errors involving the Web UI will typically be written out to the log file Website.log. If an error similar to the following is logged in Website.log, then this article will provide a solution to the problem:

Retrieving the COM class factory for component with CLSID {080D0D78-F421-11D0-A36E-00C04FB950DC} failed due to the following error: 800703fa Illegal operation attempted on a registry key that has been marked for deletion. 


To resolve the issue temporarily, immediately perform an iisreset, or restart the site in IIS. This is a temporary measure, and the issue will likely happen again. To resolve the issue permanently, go to IIS Manager, select the SelfService Application Pool and click Advanced settings, change the value for "Load User Profile" to "true", as seen below:


Setting this value forces IIS to load the user profile for the application pool identity, which will resolve the issue. The following Microsoft article provides additional details on the problem: 

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Last update:
‎Dec 29, 2022 01:05 PM
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