In-Reply-To fields are lost when you move a mailbox in Exchange 2000 Server

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SYMPTOMS

When you use the Move Mailbox feature in Active Directory Users and Computers to move a mailbox, the In-Reply-To field is removed from the Simple Mail Transfer protocol (SMTP) header of any messages in the mailbox.

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CAUSE

This problem occurs because the Move Mailbox operation does not retain the In-Reply-To field when the conversion from Internet format to MAPI format occurs.

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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.

File information

The English version of this update 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
   -------------------------------------------------------------- 
   27-Jan-2005  11:43  6.0.6617.40     2,338,816  Mdbmsg.dll       
   27-Jan-2005  12:38  6.0.6617.40     4,698,112  Store.exe

Prerequisites

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

301378 (http://support.microsoft.com/kb/301378/ ) How to obtain the latest Exchange 2000 Server service pack

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STATUS

Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server.

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MORE INFORMATION

For additional information about Mailbox Manager functionality, click the following article number to view the article in the Microsoft Knowledge Base:

278024 (http://support.microsoft.com/kb/278024/ ) Exchange 2000 Server S about Mailbox Manager functionality Mailbox Manager

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