We have Exchange Server 2010. All clients use Outlook with Outlook Anywhere connections so users can get mail on mobile devices. I have one user that has 5 mobile devices, 2 laptops and 1 desktop all syncing to the same Outlook Anywhere account. All was well until yesterday when all inbox messages disappeared from all devices except the desktop at home w/ Outlook 2007. OWA on server account shows same thing, Inbox has no messages. Any incoming mail only shows momentarily, then disappears. I have checked the Outlook account settings on the desktop and they are set correctly. Seems that this PC is downloading and emptying all inbox messages from the server.
I also discovered there is a .pst file in the Datafiles tab of the account settings. Could this be causing the problem?
My biggest concern is how do I get all the inbox messages from the desktop back on the server?