After upgrade to Exchange 2016 CU8 the CMN/CMG Exchange FreeBusy lookup can’t process with the error message:
“Microsoft.Exchange.WebServices.Data.ServiceResponseException: An internal server error occurred. The operation failed.”
The connected Exchange Server Endpoint (autodiscover and EWS) needs authentication.
You need to be signed in and under a current maintenance contract to view premium knowledge articles.
© ALL RIGHTS RESERVED. Feedback Terms of Use Privacy Cookie Preference Center