I have noticed the same problem, it seems to be related to cases when the user with PSTs has opened several mailboxes in Outlook. Perhaps the EV client oncorrectly marks the PST with the first mailbox that is open in Outlook, not the "main" mailbox. ...
I opened a support case about this a few weeks ago. What I got was that EV 6.0 SP1 will be soon out but it will *NOT* support Exchange 2003 SP2. Exchange Sp2 will be supported in EV 6.0 SP2 that will be out "sometime next year".
Just had to answer to this since this thread came up when searching for shadow copy component backup problem.Everyone should ignore the reply above! The writer of that reply clearly does not understand the difference between Shadow Copy Component bac...