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Thread: Windows server 2008 registry value for MaxUserPort

  1. #1
    jhon Fernando Guest

    Windows server 2008 registry value for MaxUserPort

    What is the equalvilent registry value
    for MaxUserPort (which is considered in Windows Server 2003) under Windows Server 2008?


  2. #2
    Meinolf Weber Guest

    Re: Windows server 2008 registry value for MaxUserPort

    Hello jhon,

    From http://support.microsoft.com/kb/953230

    What is the effective port range when the value of the MaxUserPort registry
    entry is set explicitly?

    The MaxUserPort registry entry has a different meaning in Windows Server
    2008, in Windows Vista, in Windows Server 2003, and in Windows 2000 Server.

    In Windows Server 2003 or Windows 2000 Server, the value of the MaxUserPort
    registry entry defines the dynamic port range. The range starts from 1024
    to MaxUserPort.

    In Windows Server 2008 or Windows Vista, the value of the MaxUserPort registry
    entry signifies the number of dynamic ports. The range is from Start range
    (default is 49152) to Start range + MaxUserPort.

    Also see here:
    http://support.microsoft.com/kb/929851

    Best regards

    Meinolf Weber
    Disclaimer: This posting is provided "AS IS" with no warranties, and confers
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    > MaxUserPort
    >




  3. #3
    jhon Fernando Guest

    How to identify ephemeral port range of Windows server2008 using registry keys? What are the new Registry keys?

    Im using both Windows Server 2003 and Windows Server 2008. In Windows Server 2003 ephemeral ports set by the admin
    can be easily identify by using the the Registry values.In Windows Server 2003 , Epemeral lower range is 1024 and
    it cannot be
    changed by the administrator. But in Windows Server 2008 the Ephemeral range , both the lower end and the higher end
    can be changed by the administrator(e.g.netsh int ipv4 set dynamicport tcp start=10000 num=1000). Here i'm not
    talking about the default port range for the windows server 2008.
    So My application need to identify the ehemeral port range defined by the administrator in WS2008. So What are the relevent
    Registry keys to identify lower end and the higher end in Windows Server 2008.?

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