Step-by-Step Guide to Deploying Windows Mobile-based Devices with Microsoft Exchange Server 2003 sp2

Exchange Server ActiveSync accesses the Exchange virtual directory via port 80 using Kerberos authentication.

Requires the following setup steps:

 Turn off SSL Required on the ExAdmin virtual directory

 Use Windows Integrated authentication on the ExAdmin virtual directory

For details, see Deployment on a Single Server in the Step-by-Step Guide to Deploying Windows Mobile-based Devices with Microsoft Exchange Server 2003 SP2.

See Also: Microsoft KB article, "Exchange ActiveSync and Outlook Mobile Access errors Occur when SSL or forms-based authentication is required for Exchange Server 2003." http://go.microsoft.com/fwlink/?LinkId=62660.