Microsoft KB Archive/271067

= Client Computer with High Connect Rate Opens Many Sockets =

Article ID: 271067

Article Last Modified on 2/28/2007

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APPLIES TO


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Professional Edition

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This article was previously published under Q271067



SYMPTOMS
When a client computer reaches a high open and close connection rate (around 600 connections per second), the close notifications that are triggered by the Ipnat driver are too late, resulting in a large number of opened sockets.



CAUSE
The large number of sockets is caused by the TIMER_INTERVAL parameter.



RESOLUTION
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:

260910 How to Obtain the Latest Windows 2000 Service Pack

The English version of this fix should have the following file attributes or later:   Date    Time    Version        Size    File name 8/4/00 5:43PM  5.0.2195.2103  64,912  Ipnat.sys



STATUS
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 2.



MORE INFORMATION
For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:

249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

Keywords: kbbug kbfix kbwin2000presp2fix KB271067

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