Minimal Performance Bottleneck in TCP/IP (271384)

The information in this article applies to:

Microsoft Windows 2000 Server
Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Professional

This article was previously published under Q271384

SYMPTOMS

Benchmark testing may indicate a minor performance bottleneck in Transmission Control Protocol/Internet Protocol (TCP/IP), which might potentially use a portion of processor time or generate slightly lower throughput on a TCP/IP connection.

CAUSE

This problem occurs because a method that converts multiple-fragment buffers to a single flat buffer is called, even on one-fragment frames; this causes a minimal performance problem with TCP/IP.

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
   ------------------------------------------------------
   9/15/00   8:01PM   5.0.2195.2252   310,384   Tcpip.sys

STATUS

Microsoft has confirmed that this is a problem in Microsoft Windows 2000.

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

Modification Type:	Minor	Last Reviewed:	9/26/2005
Keywords:	kbHotfixServer kbQFE kbbug kbfix kbnetwork kbPerformance kbQFE kbWin2000PreSP2Fix w2000perf KB271384