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"Your Server Has Unexpectedly Terminated the Connection" Error Message When You Send an SMTP-Based E-mail Message

Article ID: 816866 - View products that this article applies to.

SYMPTOMS

When you try to send an e-mail message through an SMTP connection, you may receive an error message similar to the following after submission of the e-mail message has completed:

Your server has unexpectedly terminated the connection. Possible causes for this include server problems, network problems, or a long period of inactivity. Subject 'Over Limit', Account: 'Acount_Name', Server: 'Server_Name', Protocol: SMTP, Port: 25, Secure (SSL): No, Error Number: 0x800CCC0F

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CAUSE

This issue may occur if the message is larger than the message size limit of the SMTP connection.

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RESOLUTION

Service Pack Information

To resolve this problem, obtain the latest service pack for Microsoft Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910

(http://support.microsoft.com/kb/260910/EN-US/ )

How to Obtain the Latest Windows 2000 Service Pack

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. The English version of this fix 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
   --------------------------------------------------
   03-Apr-2003 5:45 5.0.2195.6654 322,320 Aqueue.dll
   03-Apr-2003 5:45 5.0.2195.6666  67,344 Mailmsg.dll
   03-Apr-2003 5:45 5.0.2195.6662  38,672 Ntfsdrv.dll
   03-Apr-2003 5:45 5.0.2195.6700 444,176 Smtpsvc.dll

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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Windows 2000 Service Pack 4.

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REFERENCES

For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:

265173

(http://support.microsoft.com/kb/265173/EN-US/ )

The Datacenter Program and Windows 2000 Datacenter Server Product

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