Applies To

Call2Teams - Customers


During a sync, a failure occurs 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.


There was a change in the Global Admin settings role in the customer's Office 365 tenant.  

A license may have been removed from the global admin account or user. 


Check the customer's Office 365 tenant and ensure that their global admin rights are still licensed and have the correct roles assigned. 

The customer may need to contact Microsoft Support for assistance in resolving Microsoft licensing issues.


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