Before you start this steps, makesure you backup ost file and delete all mail accounts.
Outlook 2007 in Windows 7 unable to access Microsoft Exchange Server.
1. After setup Microsoft Outlook 2007 with MS Exchange, You need to login via popup screen and finish.
2. When you try to run Microsoft Outlook 2007 with popup login screen and application will quit by itself. The system unable to login to Ms Exchange due to wrong protocol (Default Protocol Type : UDP) used. Windows 7 using IPSec as a firewall security.
3. Using wrong protocol (UDP – Default) and have to change it from UDP to...