This scenario does NOT work: (1) Start computer, (2) Establish VPN connection, (3) Verify ability to ping MS Exchange Server, (4) Bring up Outlook 2007, (5) Observe there is no request for User name and Password, (6) Try to use outlook 2007, get error message "... 0x8004011D ... server is not available". Notes: (A) Computer worked OK approximately one week ago. (B) Computer is connected by Ethernet cable. (C) Happens with three computers, two of which are notebooks (first running Windows VISTA & Outlook 2007, second running Windows XP & Outlook 2007, third running Windows XP & Outlook 2003). (D) Two notebooks (first & second computers) work normally if they are physically taken to remote location and connected to network by Ethernet cable.