Encrypted messages cannot be viewed by an Exchange Server 2003 OMA client, but the client is not informed

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Article ID: 842118 - View products that this article applies to.
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SYMPTOMS

In a Microsoft Exchange Server 2003 environment, when a user uses Microsoft Outlook Mobile Access to view an e-mail message that was sent from a Microsoft Outlook Web Access client, a message that is similar to the following appears at the top of the e-mail message:
Warning. The signature of this message has not been validated.
The warning does not explain that the message is encrypted and cannot be viewed in Outlook Mobile Access. Therefore, the user cannot see the body of the message, and the user does not know that the body of the message is missing.

CAUSE

This problem occurs when an e-mail message is sent from Outlook Web Access, and S/MIME is used to sign and encrypt the message.

RESOLUTION

To resolve this problem, obtain the latest service pack for Exchange Server 2003 . For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
836993 How to obtain the latest service packs for Exchange Server 2003

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Exchange Server 2003 Service Pack 1.

MORE INFORMATION

You cannot use Microsoft Outlook Mobile Access to view the body of an encrypted message. When you apply Exchange Server 2003 Service Pack 1, Outlook Mobile Access displays a message at the top of an encrypted message that explains that the message cannot be viewed.

Properties

Article ID: 842118 - Last Review: October 25, 2007 - Revision: 2.5
APPLIES TO
  • Microsoft Exchange Server 2003 Enterprise Edition
  • Microsoft Exchange Server 2003 Standard Edition
Keywords: 
kbtshoot kbexchange2003sp1fix KB842118

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