https://techcommunity.microsoft.com/discussions/exchange_general/hyrbid-migration---95---fails-to-complete-with-error-transientfailure/3886647/replies/3887815
Hyrbid Migration - 95% - Fails to Complete with error "TransientFailure" | Microsoft Community Hub
Hello Everyone, We are in the process of migrating mailboxes from On-Prem Exchange (2019) to EOL/M365. Some brief server and environment details...