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Client Computer with High Connect Rate Opens Many Sockets

This article was previously published under Q271067
This article has been archived. It is offered "as is" and will no longer be updated.
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.
The large number of sockets is caused by the TIMER_INTERVAL parameter.
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 theMicrosoft 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				

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.
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

Article ID: 271067 - Last Review: 10/21/2013 00:25:13 - Revision: 3.2

Microsoft Windows 2000 Server, Microsoft Windows 2000 Advanced Server, Microsoft Windows 2000 Professional Edition

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