You cannot use Outlook Express to download an e-mail message, and you receive an event message in the Application log (892397)

CAUSE

The e-mail message contains an embedded Secure/Multipurpose Internet Mail Extension (S/MIME) digital signature. The digital signature is obtained from Microsoft Exchange Server 2003 Service Pack 1. The event that is logged in the Application log occurs when you use Post Office Protocol version 3 (POP3) or Internet Message Access Protocol (IMAP) version 4rev1 (IMAP4) to download the message in Outlook Express.

Note This issue only occurs when a third-party virus scan software is enabled in Exchange Server 2003 Service Pack 1.

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Exchange Server 2003. For more 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

Hotfix information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft Exchange Server 2003 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

Exchange Server 2003 Service Pack 1 For more 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

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

   Date         Time   Version            Size    File name
   --------------------------------------------------------------
   25-Feb-2005  02:33  6.5.7232.86     3,257,856  Mdbmsg.dll       
   25-Feb-2005  03:07  6.5.7232.86     5,166,592  Store.exe

MORE INFORMATION

You can access the e-mail message in Microsoft Outlook. with Messaging Application Programming Interface (MAPI) or Microsoft Outlook Web Access (OWA). For more information about this hotfix, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

817903 New naming schema for Exchange Server software update packages