Applies To

Call2Teams - Customers


When a sync fails and the following error shows in the Sync Log:  

<00:05> ERROR: EXCEPTION (1): {"error":"interaction_required","error_description":"AADSTS50158: External security challenge not satisfied. User will be redirected to another page or authentication provider to satisfy additional authentication challenges.

Explanation of Behaviour

This usually happens because there was a change in the Global Admin settings role in O365 tenant.  Could be that a license was removed from the global admin account or user. 


Check the O365 tenant and make sure that the client's global admin rights are still licensed and have the correct roles assigned.  Client may need to contact Microsoft Support for additional information.  


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