Exchange 2016
Exchange 2016:- Mailbox isn’t unique on database
Deleting mailboxes or recovering deleted mailboxes are something that Exchange Admins do often. For a refresher, the disconnected mailboxes will show up 24 hours after they have been removed and you can run a script to identify the disabled ones as below (script from docs.microsoft.com) $dbs = Get-MailboxDatabase $dbs | Read more…