Microsoft KB Archive/892397

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

Article ID: 892397

Article Last Modified on 10/30/2007

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APPLIES TO


 * Microsoft Exchange Server 2003 Service Pack 1
 * Microsoft Outlook Express 6.0

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SYMPTOMS
You cannot use Outlook Express to download an e-mail message, and you receive an event message in the Application log that is similar to the following: Event Type: Error Event Source:  IMAP4SVC Event Category: None Event ID:  1023 Description: Error 0x8004050a occurred while rendering message for download for user .



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.



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. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:

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

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



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

This problem was first corrected in Exchange Server 2003 Service Pack 2.



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

Additional query words: XCCC

Keywords: kbqfe kbhotfixserver kbexchpopimapnntp kbfix kbbug kbpubtypekc KB892397

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