Having moved a few mailboxes successfully I've just come to move my own mailbox from 2003 to 2010 and it failed. It's odd as with it being my mailbox I use it all day every day via Outlook, OWA or my ...
One drive on our Exchange server holds the mailbox store and is almost full. Another drive is twice the size of the first and is nearly empty. Don't ask why we didn't put the mailbox store on the ...