Microsoft KB Archive/831918

= The information in the Bcc field of messages is missing after you move mailboxes from Exchange 5.5 to Exchange 2000 =

Article ID: 831918

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Standard Edition

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SYMPTOMS
After you move mailboxes from Microsoft Exchange Server 5.5 to Microsoft Exchange 2000 Server, information that is contained in the Bcc field of some e-mail messages is missing. This problem affects messages that are in your users’ Sent Items folders.



CAUSE
This problem may occur if the mailbox contains messages that the users sent to themselves and to other recipients. Additionally, both of the following conditions must be present:
 * The To field of the message contains the e-mail address of the user who sent the message.
 * The Bcc field of the message contains the e-mail address of other recipients.

In this situation, Exchange Server 5.5 incorrectly processes the information that is contained in the Bcc field of messages that are stored in your users' Sent Items folders when you move the mailboxes.



Hotfix information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

Note You must have a Visual Studio license agreement to obtain this hotfix.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

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
This hotfix requires Microsoft Exchange Server 5.5 Service Pack 4 (SP4).

Restart requirement
You do not have to restart your computer after you apply this hotfix.

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) 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-Nov-2003 22:31  5.5.2657.80    491,280  Mdbmsg.dll 29-Nov-2003 22:30  5.5.2657.80  2,631,952  Store.exe 02-Dec-2003 22:50                 319,488  Uninst.exe



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



MORE INFORMATION
For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

817903 XADM: New naming schema for Exchange Server software update packages

Keywords: kbhotfixserver kbqfe kbexchange550presp5fix kbbug kbfix kbqfe KB831918

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