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Microsoft KB Archive/254326

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Knowledge Base

Article ID: 254326

Article Last Modified on 9/23/2005


  • Microsoft Windows Media Services 4.1

This article was previously published under Q254326


The following 408 disconnect log entries may occur when clients disconnect or are disconnected:

x.x.x.x 1999-11-02 00:13:11 - http://x.x.x.x/ - - 1 408 - - - - - - - - - - - - - http TCP - - - 524295 - 955 - - - - - - - - - - x.x.x.x - 383 4

408 disconnect errors are especially prevalent when you are using load-balancing products.


The information logged in the example above is the original design. It was determined that additional logging aids in troubleshooting 408 disconnect errors.


A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem.

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

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.

The English version of this fix should have the following file attributes or later:

   Date        Time   Version     Size    File name    Platform
   02/10/2000  01:00p  439,776 Nsum.exe     Windows NT 4.0
   02/10/2000  12:39a  440,288 Nsum.exe     Windows 2000

The fix for Windows NT 4.0 has been posted to the following Internet location:

The fix for Windows 2000 has been posted to the following Internet location:


Microsoft has confirmed that this is a problem in Windows Media Services version 4.1.


Additional information has been added to the log file to keep track of the GUID, Duration Time, and URL Path.

NOTE: 408 disconnects are especially prevalent when using load-balancing products with affinity turned off. For additional information, click the article numbers below to view the articles in the Microsoft Knowledge Base:

248926 Using Affinity with HTTP Streaming and WLBS on WMS

219277 Load Balancing HTTP with WLBS

Keywords: kbdownload kbbug kbfix kbqfe kbhotfixserver KB254326