Microsoft KB Archive/931311

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Article ID: 931311

Article Last Modified on 10/11/2007



APPLIES TO

  • Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
  • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
  • Microsoft Windows Server 2003, Datacenter x64 Edition
  • Microsoft Windows Server 2003, Enterprise x64 Edition
  • Microsoft Windows Server 2003, Standard x64 Edition
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Web Edition



SYMPTOMS

The heavy use of Winsock programs may exhaust the "nonpaged pool memory" of a Microsoft Windows Server 2003-based computer. This behavior is likely to occur if the Winsock program is dealing with both "Out-of-Band (MSG_OOB) traffic" and "standard TCP traffic." In this situation, you may receive various error messages. Also, you may experience poor performance. Additionally, the system may stop responding (hang).

CAUSE

If the Winsock program does not read the incoming data from Winsock, the "AfdB pool tag" may buffer more data than is optimal. This behavior may exhaust all available "nonpaged pool memory."

RESOLUTION

Hotfix information

A supported hotfix is now 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. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

Note If additional issues occur or 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. To create a separate service request, visit the following Microsoft Web site:

Prerequisites

To apply this hotfix, the computer must be running one of the following operating systems:

  • A 32-bit version of Windows Server 2003 with Service Pack 1 (SP1) or Service Pack 2 (SP2)
  • An Itanium-based version of Windows Server 2003 with SP1 or SP2
  • An x64-based version of Windows

Restart requirement

You must restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

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 item in Control Panel.

Windows Server 2003, x86-based versions
File name File version File size Date Time Platform SP requirement Service branch
Afd.sys 5.2.3790.2866 152,576 22-Jan-2007 11:16 x86 SP1 Not Applicable
Afd.sys 5.2.3790.4008 150,528 22-Jan-2007 15:40 x86 SP2 SP2QFE
Updspapi.dll 6.3.4.1 379,184 27-Dec-2006 07:40 x86 SP1 Not Applicable
Windows Server 2003, x64-based versions
File name File version File size Date Time Platform SP requirement Service branch
Afd.sys 5.2.3790.2866 299,008 22-Jan-2007 21:58 x64 SP1 Not Applicable
Afd.sys 5.2.3790.4008 292,352 22-Jan-2007 22:04 x64 SP2 SP2QFE
Updspapi.dll 6.3.4.1 462,128 22-Jan-2007 22:05 x64 SP1 Not Applicable
Windows Server 2003, Itanium-based versions
File name File version File size Date Time Platform SP requirement Service branch
Afd.sys 5.2.3790.2866 583,680 22-Jan-2007 21:59 IA-64 SP1 Not Applicable
Afd.sys 5.2.3790.4008 583,680 22-Jan-2007 22:03 IA-64 SP2 SP2QFE
Updspapi.dll 6.3.4.1 655,152 22-Jan-2007 22:05 IA-64 SP1 Not Applicable


WORKAROUND

To work around this problem, do not use MSG_OOB data in the Winsock program. Use a separate socket for urgent data.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:

816915 New file naming schema for Microsoft Windows software update packages


For more information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates


Technical support for x64-based versions of Microsoft Windows

If your hardware came with a Microsoft Windows x64 edition already installed, your hardware manufacturer provides technical support and assistance for the Windows x64 edition. In this case, your hardware manufacturer provides support because a Windows x64 edition was included with your hardware. Your hardware manufacturer might have customized the Windows x64 edition installation by using unique components. Unique components might include specific device drivers or might include optional settings to maximize the performance of the hardware. Microsoft will provide reasonable-effort assistance if you need technical help with a Windows x64 edition. However, you might have to contact your manufacturer directly. Your manufacturer is best qualified to support the software that your manufacturer installed on the hardware. If you purchased a Windows x64 edition such as a Microsoft Windows Server 2003 x64 edition separately, contact Microsoft for technical support.

For product information about Microsoft Windows XP Professional x64 Edition, visit the following Microsoft Web site:

For product information about x64-based versions of Microsoft Windows Server 2003, visit the following Microsoft Web site:


Additional query words: Winx64 Windowsx64 64bit 64-bit Event ID: 2019 Afd.sys MSG_OOB

Keywords: kbbug kbfix kbqfe kbprb kbexpertiseadvanced kbhotfixserver KB931311