Exactly as it sounds. Outlook freezes for a bit, after 5-10 minutes finally displays “disconnected” from Exchange server.  Cannot connect, and any attempt to do so will freeze it up again until it finally fails. No error messages. The Fix:  correct the system time! Turns out this client’s system time was set to a MERE 40 minutes into the future.  Imagine that – it causes Outlook to freeze up when trying to connect to Exchange....