Microsoft KB Archive/290005

= Error message in Outlook when you open a secure e-mail from a Certificate Authority =

Article ID: 290005

Article Last Modified on 1/31/2007

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APPLIES TO


 * Microsoft Office Outlook 2007
 * Microsoft Office Outlook 2003
 * Microsoft Outlook 2002 Standard Edition

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This article was previously published under Q290005



SYMPTOMS
On a computer that is not a member of a domain, when you open a secure e-mail message that has a certificate from a CA (Certificate Authority), you receive the following error message:

This certificate does not appear to be valid for the selected purpose.

When you open the same message on a computer that is joined to a domain, you do not receive the error message.



CAUSE
This behavior occurs because the signing certificate chain that is embedded in the message contains an invalid cross-reference.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

Keywords: kbbug kbpending KB290005

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