Microsoft KB Archive/299304

= XFOR: Random Inbound Messages Appear with Empty &quot;To&quot; Box or Message Body =

Article ID: 299304

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 4.0 Standard Edition
 * Microsoft Exchange Server 5.0 Standard Edition
 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q299304



SYMPTOMS
When Microsoft Exchange version 4.0, 5.0, or 5.5 is installed with Internet Mail Service behind a Cisco Secure PIX Firewall version 4.2(2), inbound messages may randomly appear with an empty To box or an empty message body. In some cases, the message body may appear in the header, or the message body may contain a long string of X characters.



CAUSE
This behavior can occur if the version of Cisco Secure PIX Firewall that you are using is not fully compatible with your Exchange version, Internet Mail Service, or both.



RESOLUTION
To resolve this behavior, upgrade to Cisco Secure PIX Firewall version 4.2(3) or later.



MORE INFORMATION
The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

For information about how to contact Cisco Systems Inc., click the appropriate article number in the following list to view the article in the Microsoft Knowledge Base:

65416 Hardware and Software Third-Party Vendor Contact List, A-K

60781 Hardware and Software Third-Party Vendor Contact List, L-P

60782 Hardware and Software Third-Party Vendor Contact List, Q-Z

Additional query words: xims outlook

Keywords: kb3rdparty kbprb kbui KB299304

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