Mailbox migration

Robert Janics Jr M.C.P
Robert Janics Jr M.C.P used Ask the Experts™
I am getting ready to uninstall an old Exchange server I just migrated. I have a question on the following mailboxes not yet migrated over. Should I migrate them over or not? Screen shot attached.
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Senior Engineer
Some of these are the Arbitration mailboxes.  It's ok to migrate them.

If you don't you can always re-create them if needed.

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