Microsoft KB Archive/927905

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

Article ID: 927905

Article Last Modified on 10/25/2007

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APPLIES TO


 * Microsoft Exchange Server 2003 Enterprise Edition
 * Microsoft Exchange Server 2003 Standard Edition

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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.



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



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://www.microsoft.com/technet/isa/2000/proddocs/isadocs/cmt_authpass.mspx

Additional query words: XCCC

Keywords: kbtshoot kbexpertiseadvanced kbexchmobility kbprb KB927905

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