The TcpDelAckTicks Registry Value Has No Effects on Ack Timeouts

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Article ID: 311833 - View products that this article applies to.
This article was previously published under Q311833
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SYMPTOMS

When you set a value for the TcpDelAckTicks registry key to a valid value, the delayed acknowledgement timer does not change from the default setting of 200ms.

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-language version of this fix should have the following file attributes or later:
   Date         Time   Version        Size     File name
   --------------------------------------------------------
   19-NOV-2001  15:42  5.0.2195.4667  118,896  Afd.sys
   17-JAN-2002   8:18  5.0.2195.3952  106,256  Msafd.dll
   17-JAN-2002   8:17  5.0.2195.4852  312,784  Tcpip.sys
   30-JUL-2001  19:15  5.0.2195.3988   16,240  Tdi.sys
   17-JAN-2002   8:18  5.0.2195.3649   17,680  Wshtcpip.dll
				

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 3.

MORE INFORMATION

For more information about this problem, view the TcpDelAckTicks section in the "Microsoft Windows 2000 TCP/IP Implementation Details" white paper that is located on the following Microsoft Web site:
http://technet.microsoft.com/en-us/library/bb726981.aspx
For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:
265173 The Datacenter Program and Windows 2000 Datacenter Server Product
For additional information about how to install multiple hotfixes with only one reboot, click the article number below to view the article in the Microsoft Knowledge Base:
296861 Use QChain.exe to Install Multiple Hotfixes with One Reboot
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

Properties

Article ID: 311833 - Last Review: February 22, 2007 - Revision: 5.3
APPLIES TO
  • Microsoft Windows 2000 Service Pack 1
  • Microsoft Windows 2000 Service Pack 2
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Service Pack 1
  • Microsoft Windows 2000 Service Pack 2
Keywords: 
kbhotfixserver kbqfe kbbug kbfix kbnetwork kbregistry kbwin2000presp3fix kbwin2000sp3fix KB311833

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