Article ID: 264862 - View products that this article applies to.
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If you configure Exchange Server 5.5 Key Management server (KM server) to use a Windows 2000 Certificate Server by using the Expolicy.dll file, the X.509 V3 certificate that the message client receives may be missing the Certificate Revocation List (CRL) Distribution Point extension, as well as the Authority Information Access extension.
This issue can occur because the Expolicy.dll file on the Exchange Server 5.5 CD-ROM in the Support\Kms\Expolicy folder does not have support for these extensions.
To resolve this problem, obtain the latest service pack for Exchange Server 5.5. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/191014/EN-US/ )XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack
Microsoft has confirmed that this is a problem in Microsoft Exchange Server version 5.5. This problem was first corrected in Exchange Server 5.5 Service Pack 4.
Article ID: 264862 - Last Review: October 20, 2013 - Revision: 3.1