Article ID: 842528 - View products that this article applies to.
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Important This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/256986/ )Description of the Microsoft Windows Registry
When a Microsoft Windows 2000-based computer sends a non-delivery report (NDR) to the sender of a large e-mail message, the whole e-mail message is attached to the non-delivery report (NDR). This problem occurs when the computer is also running Microsoft Exchange 2000 Server with Service Pack 2 or later versions.
Hotfix informationA 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=supportNote 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.
PrerequisitesNo prerequisites are required.
Restart requirementYou do not have to restart your computer after you apply this hotfix.
Hotfix replacement informationThis hotfix does not replace any other hotfixes.
File informationThe 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 -------------------------------------------------------------- 25-May-2004 17:51 5.0.2195.6922 325,904 Aqueue.dll 19-Jun-2003 20:05 5.0.2195.6666 67,344 Mailmsg.dll 19-Jun-2003 20:05 5.0.2195.6662 38,672 Ntfsdrv.dll 25-May-2004 17:51 5.0.2195.6922 445,200 Smtpsvc.dll
After you install this hotfixWarning If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
After you install this hotfix, follow these steps to create the MaxDSNSize registry entry and to enable the hotfix:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This hotfix lets you remove the attachments from an NDR. This hotfix also lets you limit the maximum size for NDRs. If you install and then enable this hotfix, you can save server and network resources. However, there are drawbacks to this implementation of Simple Mail Transfer Protocol (SMTP) attachment removal. For example, you experience the following behaviors after you enable this hotfix:
However, the sender of the message cannot resend the message even by using the method in the error message.
Unable to resend the message. The non-delivery report does not contain sufficient information about the original message. To resend the message, open it in your Sent Items folder, click the Actions menu, and click "Resend this message."
For additional information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/816915/ )New file naming schema for Microsoft Windows software update packages
(http://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates
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