How to Re-Base Mailboxes and Resource Mailboxes
Here are a couple of good training videos on how to rebase mailboxes and resource mailboxes
Mailboxes
https://msexchangeteam.com/archive/2007/02/21/435543.aspx
Resource Mailboxes
https://msexchangeteam.com/archive/2007/03/01/436164.aspx
Nick.