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Exchange 2019 - Move arbitration mailboxes from Exchange 2016 to 2019 (Part 1) - Everything-PowerShell
In Exchange, when you are working with a legacy system and migrating mailboxes to the new Exchange Server, you will find that you cannot remove the database on the server as it gives you some long error message it still contains archives mailboxes etc. To move all the system, federation and migration mailboxes (arbitration), you …