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Thread: What is the maximum limit for TCP port connections on any computer

  1. #1
    Join Date
    Mar 2009
    Posts
    1,360

    What is the maximum limit for TCP port connections on any computer

    I am remotely connecting to a computer running Windows XP. But the problem is that I am getting the below error message:

    No more connections can be made to this remote computer at this time
    So I want to ask you that what is the maximum limit for TCP port connections on any computer?

  2. #2
    Join Date
    Jan 2006
    Posts
    4,224

    Re: What is the maximum limit for TCP port connections on any computer

    This behavior occurs if the computer reaches the maximum number of inbound connections that the computer can host. Any file, print, named pipe, or mail slot session that does not have any activity is automatically disconnected after the AutoDisconnect time has expired; the default for the AutoDisconnect time is 15 minutes. When the session is disconnected, one of the ten connections becomes available so that another user can connect to the Windows XP system. You can configure the AutoDisconnect time by running the following command from a command prompt:
    Code:
    net config server /autodisconnect:time_before_autodisconnect
    Here time is specified in minutes.

  3. #3
    Join Date
    May 2008
    Posts
    552

    Re: What is the maximum limit for TCP port connections on any computer

    Open Registry Editor (Start - Run - "regedit"). Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters. Right click on "MaxUserPort" key and select "Modify". The default value of this key is 1024 - 5000. You can change it to its maximum i.e. 5000 - 65534.

  4. #4
    Join Date
    Apr 2008
    Posts
    3,341

    Re: What is the maximum limit for TCP port connections on any computer

    I think your remote computer have not installed SP3. Because the limitations of connections was the problem of SP2 and this was fixed with the release of SP3. If possible, try to install Service Pack 3 on your remote computer and see if the problem is resolved.

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