I'm not sure if its related, but setting up new profiles in Outlook often results in 'The connection to Microsoft Exchange is unavailable. An object cannot be found.’ A server (URL) could not be located.' When I attempt to download the offline address book, I get a synchronization error: 'Task reported error (0x8004010f) : ‘The operation failed. When you try to open it, it returns an error 'Your Out of Office settings cannot be displayed, because the server is currently unavailable. Once we started using the server, problems surfaced. The install went smoothly, or so I thought.