Microsoft KB Archive/839268

= Some of the messages are not delivered when you send several messages in Exchange Server 2003 =

Article ID: 839268

Article Last Modified on 10/25/2007

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APPLIES TO


 * Microsoft Exchange Server 2003 Standard Edition
 * Microsoft Exchange Server 2003 Enterprise Edition

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Important This article contains information about how to modify the registry. Make sure to back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows registry



SYMPTOMS
When you send several messages in Microsoft Exchange Server 2003, some of the messages are not delivered. Additionally, the following events are logged in the Application log:
 * Event Type: Information

Event Source: MSExchangeIS Mailbox Store

Event Category: Transport Delivering

Event ID: 9650

Description: Message delivery is being attempted. Internet Msg Id:, Submit Time: 03/16/2004 17:30:01.0000000, Recipient:/o=PlankyOrg/ou=First Administrative Group/cn=Recipients/cn= , MDB:First Storage Group\Mailbox Store. For more information, click http://search.support.microsoft.com/search/?adv=1.
 * Event Type: Information

Event Source: MSExchangeIS Mailbox Store

Event Category: Transport Delivering

Event ID: 9651

Description: Message was successfully delivered to  A on /o=PlankyOrg/ou=First Administrative Group/cn=Recipients/cn=. Internet Msg Id:First Storage Group\Mailbox Store. For more information, click http://search.support.microsoft.com/search/?adv=1.
 * Event Type: Information

Event Source: MSExchangeIS Mailbox Store

Event Category: Transport Delivering

Event ID: 9537

Description: A duplicate message arrived on database &quot;First Storage Group\Mailbox Store &quot;. Ignoring delivery of message (Internet Message Id= A) to /o=PlankyOrg/ou=First Administrative Group/cn=Recipients/cn=. For more information, click http://search.support.microsoft.com/search/?adv=1.



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

Restart requirement
You must restart the computer after you apply this hotfix.

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 --  21-May-2004  02:45  6.5.6980.89       372,736  Exsmtp.dll 20-May-2004 12:13  6.5.6980.89        49,664  Mdbevent.dll 20-May-2004 12:48  6.5.6980.89     3,208,704  Mdbmsg.dll 20-May-2004 12:15  6.5.6980.89        24,064  Mdbrole.dll 21-May-2004 02:41  6.5.6980.89        13,312  Mdbtask.dll 21-May-2004 02:40  6.5.6980.89     5,046,784  Store.exe

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

Restart requirement
You must restart the computer after you apply this hotfix.

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 --  29-Jul-2004  07:21  6.5.7232.20     3,230,720  Mdbmsg.dll 29-Jul-2004 07:55  6.5.7232.20     5,130,752  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.



MORE INFORMATION
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

To enable this hotfix for the mailbox store, follow these steps:  Click Start, click Run, type regedit in the Open box, and then click OK. Locate and then click the following registry subkey:

 On the Edit menu, point to New, and then click DWORD Value. Type Disable Duplicate Detection Over 255 bytes for the name of this registry entry, and then press ENTER.</li> Right-click Disable Duplicate Detection Over 255 bytes, and then click Modify.</li> In the Value data box, type 1, and then click OK.</li> Quit Registry Editor.</li></ol>

To enable this hotfix for the public folder store, follow these steps: <ol> Click Start, click Run, type regedit in the Open box, and then click OK.</li> Locate and then click the following registry subkey:

</li> On the Edit menu, point to New, and then click DWORD Value.</li> Type Disable Duplicate Detection Over 255 bytes for the name of this registry entry, and then press ENTER.</li> Right-click Disable Duplicate Detection Over 255 bytes, and then click Modify.</li> In the Value data box, type 1, and then click OK.</li> Quit Registry Editor.</li></ol>

For more information, 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: XADM missing messages Public Folders large message ID

Keywords: kbqfe kbfix kbbug kbexchange2003presp1fix kbpubtypekc kbhotfixserver KB839268

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