A Winsock connection may fail when the program that opens the connection calls the Setsockopt function in Windows Vista

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In Windows Vista, a Winsock connection may fail when the program that opens the connection calls the Setsockopt function.
This problem occurs when the program uses the Transport Data Interface (TDI) filter drivers. This problem occurs because TDI filter drivers are supported on Windows Vista by a compatibility layer called TDX. If the connection has been disconnected by the time the Setsockopt function is called, TDX causes the function to return a value of WSAECONNRESET.

In earlier operating systems, the call to the Setsockopt function succeeded.

Service pack information

To resolve this problem, obtain the latest service pack for Windows Vista. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
935791 How to obtain the latest Windows Vista 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. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

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, contact 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.

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 Vista, 32-bit versions
File nameFile versionFile sizeDateTime
Wsusscan.cabNot Applicable209,35321-Feb-200712:45
X86_79d975153413971e51ea316f37ecf7eb_31bf3856ad364e35_6.0.6000.20541_none_d7d9ee0e8a624f95.manifestNot Applicable70221-Feb-200714:32
X86_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.0.6000.20541_none_e8b6e33ef82c465d.manifestNot Applicable4,88321-Feb-200714:33
Windows Vista, 64-bit versions
File nameFile versionFile sizeDateTime
Amd64_11786e9699f892548a124f51c97dbd36_31bf3856ad364e35_6.0.6000.20541_none_2411986cc36ef5d6.manifestNot Applicable70621-Feb-200714:32
Amd64_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.0.6000.20541_none_44d57ec2b089b793.manifestNot Applicable5,15021-Feb-200714:37
Wsusscan.cabNot Applicable206,86921-Feb-200712:45
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 Vista Service Pack 1.
More information
For more information about the terms that are used to describe software updates, 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

Article ID: 933049 - Last Review: 01/16/2015 09:27:42 - Revision: 5.0

Windows Vista Home Basic, Windows Vista Home Premium, Windows Vista Ultimate, Windows Vista Business, Windows Vista Enterprise, Windows Vista Starter, Windows Vista Home Basic 64-bit Edition, Windows Vista Home Premium 64-bit Edition, Windows Vista Ultimate 64-bit Edition, Windows Vista Business 64-bit Edition, Windows Vista Enterprise 64-bit Edition

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