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Thread: What is the Default Maximum Number of TCP Connections on the serve

  1. #1
    TIA Guest

    What is the Default Maximum Number of TCP Connections on the serve

    What is the Default Maximum Number of TCP Connections on the server ?

    Can this be increased and how ?

    Recently, we experienced an unusual delay in starting our application.
    Using the NESTAT command, I can see over 100 TCP connections in various
    states.

    TIA

  2. #2
    Phillip Windell Guest

    Re: What is the Default Maximum Number of TCP Connections on the serve

    100 does not seem like "squat" to me.

    Maybe the limitation is the Application,...and it probably is not the number
    of connections specifically,...but rather the amout of load created by all
    the connections combined,...which is going to be related to what the users
    are actually doing within the Application at a particular given moment.


    --
    Phillip Windell
    www.wandtv.com

    The views expressed, are my own and not those of my employer, or Microsoft,
    or anyone else associated with me, including my cats.
    -----------------------------------------------------


    "TIA" <TIA@discussions.microsoft.com> wrote in message
    news:57B1EDC5-9724-421C-86CB-099975ABCAF6@microsoft.com...
    > What is the Default Maximum Number of TCP Connections on the server ?
    >
    > Can this be increased and how ?
    >
    > Recently, we experienced an unusual delay in starting our application.
    > Using the NESTAT command, I can see over 100 TCP connections in various
    > states.
    >
    > TIA




  3. #3
    TIA Guest

    Re: What is the Default Maximum Number of TCP Connections on the s

    Acutually, there are more than 500 TCP connections (as per NETSTAT).

    Is there a Registry entry that limits the number of TCP connections and can
    it be changed ?

    TIA

    "Phillip Windell" wrote:

    > 100 does not seem like "squat" to me.
    >
    > Maybe the limitation is the Application,...and it probably is not the number
    > of connections specifically,...but rather the amout of load created by all
    > the connections combined,...which is going to be related to what the users
    > are actually doing within the Application at a particular given moment.
    >
    >
    > --
    > Phillip Windell
    > www.wandtv.com
    >
    > The views expressed, are my own and not those of my employer, or Microsoft,
    > or anyone else associated with me, including my cats.
    > -----------------------------------------------------
    >
    >
    > "TIA" <TIA@discussions.microsoft.com> wrote in message
    > news:57B1EDC5-9724-421C-86CB-099975ABCAF6@microsoft.com...
    > > What is the Default Maximum Number of TCP Connections on the server ?
    > >
    > > Can this be increased and how ?
    > >
    > > Recently, we experienced an unusual delay in starting our application.
    > > Using the NESTAT command, I can see over 100 TCP connections in various
    > > states.
    > >
    > > TIA

    >
    >
    >


  4. #4
    Frank Lehmann Guest

    Re: What is the Default Maximum Number of TCP Connections on the serve

    Hi,

    If you are still looking for a possibility to alter the number of
    TCP connections:

    In HKLM\System\ControlSet\Services\Tcpip\Parameters

    MaxUserPort:
    Increase the number of TCP ports to allow more open ports.

    TcpTimedWaitDelay:
    Decrease the number of seconds, until a TCP port is released (down to 30).

    -------
    Frank

    > Can this be increased and how ?
    >
    > Recently, we experienced an unusual delay in starting our application.
    > Using the NESTAT command, I can see over 100 TCP connections in various
    > states.
    >
    > TIA


  5. #5
    TIA Guest

    Re: What is the Default Maximum Number of TCP Connections on the s

    Thanks Frank !

    What is the Default Value for the MaxUserPort ?

    TIA

    "Frank Lehmann" wrote:

    > Hi,
    >
    > If you are still looking for a possibility to alter the number of
    > TCP connections:
    >
    > In HKLM\System\ControlSet\Services\Tcpip\Parameters
    >
    > MaxUserPort:
    > Increase the number of TCP ports to allow more open ports.
    >
    > TcpTimedWaitDelay:
    > Decrease the number of seconds, until a TCP port is released (down to 30).
    >
    > -------
    > Frank
    >
    > > Can this be increased and how ?
    > >
    > > Recently, we experienced an unusual delay in starting our application.
    > > Using the NESTAT command, I can see over 100 TCP connections in various
    > > states.
    > >
    > > TIA

    >


  6. #6
    Frank Lehmann Guest

    Re: What is the Default Maximum Number of TCP Connections on the s

    Hi,

    According to
    http://technet.microsoft.com/en-us/l.../cc938196.aspx
    it is 5000.

    -------
    Frank


    > Thanks Frank !
    >
    > What is the Default Value for the MaxUserPort ?
    >



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