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Socket applications quit with a WSAEWOULDBLOCK error in Windows 2000 Server

This article has been archived. It is offered "as is" and will no longer be updated.
When you use a socket application that makes a call to the WSAEventSelect function on a Microsoft Windows 2000-based multiprocessor server, the socket application may return a FD_READ notification on the connected socket. Then, the WSAGetLastError function returns a WSAEWOULDBLOCK error.

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: 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.


No prerequisites are required.

Restart requirement

You must 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   -----------------------------------------------------------   13-Apr-2004  23:34  5.0.2195.6920     119,088  Afd.sys   19-Jun-2003  20:05  5.0.2195.6602     108,816  Msafd.dll           19-Jun-2003  20:05  5.0.2195.6706     332,144  Tcpip.sys   19-Jun-2003  20:05  5.0.2195.6655      16,240  Tdi.sys   19-Jun-2003  20:05  5.0.2195.6601      17,680  Wshtcpip.dll     
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More information
For additional information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
816915 New file naming schema for Microsoft Windows software update packages
824684 Description of the standard terminology that is used to describe Microsoft software updates
win2k win2000

Article ID: 839045 - Last Review: 10/26/2013 08:14:00 - Revision: 3.0

Microsoft Windows 2000 Server, Microsoft Windows 2000 Advanced Server

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