March, 2020

[EXO][EX2010] Removing dual mailboxes

Ensure you have a user mailbox backup prior to starting the following process as there is potential risk of data loss.  Options are to have a third party solution to perform a mailbox backup or export to PST (see new-mailboxexport cmdlet). Capture relevant information from on-premise exchange and exchange online. Grab the mailbox information (primary   →