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S/MIME certificates with EKU Any Purpose (2.5.29.37.0) are not included in OAB in Exchange Server 2010

View products that this article applies to.

Symptoms

When you use an S/MIME certificate that contains the value of 2.5.29.37.0 for the Any Purpose object identifier (also known as OID) in the Enhanced Key Usage (EKU) attribute, the certificate is considered invalid and is not included in the Offline Address Book (OAB). Therefore, the OAB is not generated as expected.

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Resolution

To resolve this issue, install the following update:
2961522 Update Rollup 7 for Exchange Server 2010 Service Pack 3

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Workaround

To work around this issue, use a certificate that contains the value of 1.3.6.1.5.5.7.3.4 for the Secure Email object identifier in the EKU attribute.

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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More Information

For more information about EKU, go to the following Microsoft website:
How certificates work

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Keywords: kbqfe, kbfix, kbsurveynew, kbexpertiseadvanced, kb

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Article Info
Article ID : 2975988
Revision : 1
Created on : 1/7/2017
Published on : 8/26/2014
Exists online : False
Views : 307