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Thread: What is Tcpnodelay and how to disable it in Windows Vista

  1. #1
    Join Date
    Aug 2009
    Posts
    56

    What is Tcpnodelay and how to disable it in Windows Vista

    I like to play Counter Strike Source online. Many a times I experience a lot of lags during the game play. I wanted to avoid this lags and so was searching for some steps. Some one recommended me to disable Tcpnodelay. So my question is what is Tcpnodelay and how can I disable it on Windows Vista?

  2. #2
    Join Date
    May 2008
    Posts
    962

    Re: What is Tcpnodelay and how to disable it in Windows Vista

    The tcpnodelay option specifies whether the client includes the feature of delaying the sending of successive small packets on the network, per transaction. By default, Message Queuing (also known as MSMQ) enables nagling on the TCP sockets it uses. This improves overall performance, but it might briefly delay transmission of smaller packets. If the delay is undesirable or unacceptable, then you can add this entry to the registry to disable nagling.

    0: Nagling is enabled.

    1: Nagling is disabled.

  3. #3
    Join Date
    May 2008
    Posts
    859

    Re: What is Tcpnodelay and how to disable it in Windows Vista

    How to disable Nagle Algorithm (Tcpnodelay) in Windows vista:

    1. Click on Start, Run, type regedit, and then click on OK button.
    2. Look: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSMQ\Parameters\TCPNoDelay
    3. Right-click on TcpNoDelay, and then click Modify.
    4. In the Value data box, type "1" to turn off/disable the Nagle algorithm socket option, or type "0" to turn on/enable the option.
    5. Click OK, and then quit Registry Editor.
    6. Restart your computer.

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