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Microsoft KB Archive/169274

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Knowledge Base


TCP/IP Causes Time Wait States to Exceed Four Minutes Under Stress

Article ID: 169274

Article Last Modified on 11/1/2006



APPLIES TO

  • Microsoft Windows NT Server 4.0, Terminal Server Edition
  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft Windows NT Server 4.0 Enterprise Edition



This article was previously published under Q169274


SYMPTOMS

There is a small time window in Afd.sys (the Microsoft Winsock2 service provider for TDI transport) where it does not indicate data received immediately after a connection is accepted. This window should affect only applications that use AcceptEx with buffer space for receiving data after a connection is accepted.

CAUSE

In TCP/IP, timewait state queue management has a problem that causes time wait states to exceed four minutes under stress.

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

152734 How to Obtain the Latest Windows NT 4.0 Service Pack




For your convenience, the English version of this post-SP3 hotfix has been posted to the following Internet location. However, Microsoft recommends that you install Windows NT 4.0 Service Pack 4 to correct this problem.

NOTE: The above link is one path; it has been wrapped for readability.

STATUS

Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.



Additional query words: prodnt 4.00

Keywords: kbhotfixserver kbqfe kbbug KB169274