When testing Enterprise Vault with Exchange 2010, it is often necessary to access multiple mailboxes from the same Outlook profile. I do this quite often.
I learnt today that with Exchange 2010 there is a rather neat way of giving the full mailbox access that I need.
It's a little bit of Powershell:
Add-MailboxPermission "NameOfMailbox" -user "NameOfUser" -AccessRights FullAccess
Add-MailboxPermission "notenabled" -user "Adele.Reinhardt" -AccessRights FullAccess
The output that you will get is like this: