XADM: Duplicate Messages Are Not Detected When They Are Sent to Public Folders

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SYMPTOMS

When you send a duplicate message to a public folder by using a message rule or by using a program, the message is delivered successfully. As a result, the same message may be delivered multiple times to a public folder.

You do not expect a duplicate message to be delivered to a public folder. A duplicate message is not delivered to a mailbox.

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CAUSE

This problem occurs because the duplicate detection functionality in Microsoft Exchange 2000 Server does not work correctly for public folders. In this scenario, the table that tracks a delivered message is not correctly updated with the correct folder ID (FID).

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RESOLUTION

Hotfix Information

A supported hotfix is 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.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if 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. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:

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

Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

Because of file dependencies, this hotfix requires Microsoft Exchange 2000 Server Service Pack 3 (SP3). For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

301378 (http://support.microsoft.com/kb/301378/EN-US/ ) How to Obtain the Latest Exchange 2000 Server Service Pack

File Information

Component: Messaging Database

The English version of this hotfix has the file attributes (or later) 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
--------------------------------------------------------------
20-Jul-2003  20:55  6.0.6488.0      3,915,776  Cdoex.dll        
20-Jul-2003  20:51  6.0.6488.0        851,968  Davex.dll        
20-Jul-2003  20:51  6.0.6488.0         53,248  Davexpc.dll      
20-Jul-2003  20:47  6.0.6488.0        577,536  Dsaccess.dll     
17-Jul-2003  21:11  6.0.6488.0        184,320  Dscmsg.dll       
17-Jul-2003  21:11  6.0.6488.0        958,464  Emsmdb32.dll     
20-Jul-2003  20:55  6.0.6488.0      3,575,808  Excdo.dll        
20-Jul-2003  20:47  6.0.6488.0        258,048  Exmime.dll       
20-Jul-2003  20:51  6.0.6488.0        143,360  Exodbesh.dll     
20-Jul-2003  20:51  6.0.6488.0         57,344  Exodbpc.dll      
20-Jul-2003  20:51  6.0.6488.0        200,704  Exodbprx.dll     
20-Jul-2003  20:51  6.0.6488.0      2,174,976  Exoledb.dll      
20-Jul-2003  20:45  6.0.6488.0         81,920  Exosal.dll       
20-Jul-2003  20:51  6.0.6488.0        307,200  Exprox.dll       
17-Jul-2003  21:13  6.0.6488.0        143,360  Exschema.exe     
17-Jul-2003  21:15  6.0.6488.0        675,840  Exwform.dll      
17-Jul-2003  20:52  6.0.6488.0         49,152  Mdbevent.dll     
17-Jul-2003  21:08  6.0.6488.0      2,285,568  Mdbmsg.dll       
17-Jul-2003  20:53  6.0.6488.0         32,768  Mdbrole.dll      
20-Jul-2003  20:47  6.0.6488.0         24,576  Mdbtask.dll      
20-Jul-2003  20:46  6.0.6488.0      4,657,152  Store.exe

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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 of this article.

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MORE INFORMATION

For additional information about the terminology that is used to describe Microsoft product updates, click the following article number to view the article in the Microsoft Knowledge Base:

824684 (http://support.microsoft.com/kb/824684/ ) Description of the Standard Terminology That Is Used to Describe Microsoft Software Updates

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