The computer occasionally stops responding when a TCP/IP connection is closed on a Windows Server 2003-based computer that has multiple processors

When a TCP/IP connection is closed on a Microsoft Windows Server 2003-based computer that has multiple processors, the computer occasionally stops responding.

This problem occurs because of a deadlock in the Tcpip.sys file.

Service pack information

To resolve this problem, obtain the latest service pack for Windows Server 2003. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

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

No prerequisites are required.

Restart requirement

You must restart the 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 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.

Windows Server 2003, 64-bit Itanium-based versions

File name	File version	File size	Date	Time	Platform
Tcpip.sys	5.2.3790.306	977,920	08-Apr-2005	04:14	IA-64

Windows Server 2003, 32-bit x86-based versions

File name	File version	File size	Date	Time	Platform
Tcpip.sys	5.2.3790.306	336,896	08-Apr-2005	16:50	x86

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Windows Server 2003 Service Pack 1.

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