XFOR: IMS Behind Firewall Does Not Use Second MX Record

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SYMPTOMS

When you use an Internet firewall, Microsoft Exchange Server versions 4.0 and 5.0 will sometimes fail to use a second MX record if the first is unavailable.

Microsoft has confirmed this to be a problem in Microsoft Exchange Server versions 4.0 and 5.0. This problem has been corrected in the latest U.S. Service Pack for Microsoft Exchange Server version 4.0. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

This problem was corrected in the latest Microsoft Exchange Server 5.0 U.S. Service Pack. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

APPLIES TO

Microsoft Exchange Server 4.0 Standard Edition
Microsoft Exchange Server 5.0 Standard Edition

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kbbug kbfix kbusage KB166604

Retired KB Content Disclaimer

This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.

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