Certificates in the personal store of a Windows Mobile-based mobile device are removed when you connect to Exchange Server 2003 SP2

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SYMPTOMS

The certificates in the personal store of a Microsoft Windows Mobile-based mobile device are removed when you connect to Microsoft Exchange Server 2003 Service Pack 2 (SP2) by using Exchange ActiveSync.

This problem occurs if the following conditions are true:

The connection is routed through Microsoft Internet Security and Acceleration (ISA) Server.
You are using certificate-based authentication.
The authentication fails.

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CAUSE

This problem occurs if ISA Server is configured to use Secure Sockets Layer (SSL) bridging in the routing rules.

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WORKAROUND

To resolve this problem, configure ISA Server to use SSL tunneling instead of SSL bridging.

For more information about SSL tunneling, visit the following Microsoft Web site:

http://technet.microsoft.com/en-us/library/cc767184.aspx (http://technet.microsoft.com/en-us/library/cc767184.aspx)

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