Moving Exchange 2010 mailboxes back to the original server

Hello Experts,

After moving many mailboxes from an old Exchange 2010 server to a new one, I decided to remove Exchange from the new server due to hardware issues.

The moved mailboxes are still occuping space in the old server mailbox, and there is no option to move any mailbox from the new server to the old one.

My question:

How to move the mailboxes from the new server and make sure that it's safe to uninstall exchange from it?
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The first thing you need to do before you can move the mailboxes again is to remove the original move requests
Get-MoveRequest | Remove-MoveRequest

Then you need to ensure that all of your connectors are using the new server
Get-SendConnector | fl

When you attempt to uninstall the wizard will warn you with additional issues before you can uninstall

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AmitIT ArchitectCommented:
It might be white space in your old exchange db, you can defrag the DB that will clear the white space and give you the space to move the mailbox back to this server. But defrag can take long time and it require downtime, as you need to dismount the db.

Check this link

Finally you remove the new exchange server once mailboxes are moved back to old server. I don't see any risk in remove new server once mailboxes are back to old server.
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