Article ID: 261218 - View products that this article applies to.
This article was previously published under Q261218
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IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/256986/EN-US/ )Description of the Microsoft Windows Registry
Web Polygraph (http://polygraph.ircache.net/doc/msl_test.html
(http://polygraph.ircache.net/doc/msl_test.html)) uses the Msl_test tool to verify the Maximum Segment Lifetime (MSL) value used by TCP. Windows 2000 does not pass the test with an incorrect value of 1 second reported.
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According to Network Monitor traces, this behavior occurs because a SYN request sent from port 1054 to port 8080 causes an ACK response. The test assumes that the connection (1054, 8080) is in the TIME_WAIT state and therefore should not respond to a SYN request.
The current Windows 2000 behavior is:
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/260910/EN-US/ )How to Obtain the Latest Windows 2000 Service Pack
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
This problem was first corrected in Windows 2000 Service Pack 1.
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
This hotfix enables the following registry value that you can use to "tune" this behavior: Key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
Value type: DWORD
249149The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.
(http://support.microsoft.com/kb/249149/EN-US/ )Installing Microsoft Windows 2000 and Windows 2000 Hotfixes