AADSTS500011: The resource principal named was not found in the tenant

Scenario: If your receive the following error when using Hybrid Modern Authentication for Exchange OnPremises, run the following scriptlet below. Our problem was a misconfigured URL set on the get-clientaccessserver where it was pointing to a Servername, and not our shared namespace.


 Get-MapiVirtualDirectory | FL server,*url*
 Get-WebServicesVirtualDirectory | FL server,*url*
 Get-ClientAccessServer | fl Name, AutodiscoverServiceInternalUri
 Get-OABVirtualDirectory | FL server,*url*
 Get-AutodiscoverVirtualDirectory | FL server,*url*
 Get-OutlookAnywhere | FL server,*url*

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