Recipients of a forwarded message may be able to see recipients in the Bcc box in Exchange 2000 Server or in Exchange Server 2003 (894389)


The information in this article applies to:

  • Microsoft Exchange Server 2003 Enterprise Edition
  • Microsoft Exchange Server 2003 Standard Edition
  • Microsoft Exchange 2000 Server

SYMPTOMS

Consider the following scenario. You create an e-mail message in the Draft folder. You add recipients to the Bcc box in this message. You use a Web Distributed Authoring and Versioning (WebDAV) program to send this message. A recipient of this message uses a third-party MAPI client computer to forward this message to another recipient. In this scenario, the recipient of the forwarded message may be able to see the recipients that you added to the Bcc box when you created the message.

RESOLUTION

Exchange Server 2003

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft Exchange Server 2003. 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

Exchange 2000 Server

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 Microsoft Exchange 2000 Server 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

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

301378 How to obtain the latest Exchange 2000 Server service pack

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
   --------------------------------------------------------------
   02-Jun-2005  21:47  6.0.6617.70     2,342,912  Mdbmsg.dll       
   02-Jun-2005  22:38  6.0.6617.70     4,710,400  Store.exe

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This problem was first corrected in Microsoft Exchange Server 2003 Service Pack 2.
Modification Type:MinorLast Reviewed:7/25/2006
Keywords:kbQFE KBHotfixServer kbexchDEV kbfix kbExchange2000preSP4fix kbbug kbpubtypekc KB894389 kbAudITPRO
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