A duplicate message is delivered to a public folder in Exchange Server 2003 Service Pack 1 (909395)

SYMPTOMS

Consider the following scenario. A message exists in a public folder in Microsoft Exchange Server 2003 Service Pack 1 (SP1). Then, a message rule or another program sends a duplicate message to the public folder. In this scenario, the duplicate message is delivered to the 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.

Note When this problem occurs more than one time, you receive multiple duplicate messages.

RESOLUTION

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 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

You must install Exchange Server 2003 SP1 before you apply this hotfix.

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

Restart requirement

You do not have to restart the computer after you apply the hotfix. However, the Microsoft Exchange Information Store service and all dependent services will be restarted.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

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.

File name	File version	File size	Date	Time	Platform
Mdbmsg.dll	6.5.7233.59	3,270,144	23-Nov-2005	03:50	x86
Redir.asp	Not Applicable	3,304	04-Jun-2005	01:56	Not Applicable
Store.exe	6.5.7233.59	5,201,408	23-Nov-2005	17:08	x86

REFERENCES

For more information about a hotfix for a similar issue in Microsoft Exchange Server 2003 Service Pack 2, click the following article number to view the article in the Microsoft Knowledge Base:

906884 A duplicate message is delivered to a public folder in Exchange Server 2003 Service Pack 2

For more information about a hotfix for a similar issue in Microsoft Exchange 2000 Server, click the following article number to view the article in the Microsoft Knowledge Base:

823290 Duplicate messages are not detected when they are sent to public folders