Windows Services

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  • JP

    #1

    Windows Services

    Can anybody explain me , what is Local System , Local Service and Network
    Service and how they practically differ from each other.

    --JP
  • Joris Dobbelsteen

    #2
    Re: Windows Services

    They are accounts, just like your user accounts, but they are somewhat
    special, because they are used by Windows internally.

    LocalSystem exists since Windows NT begin and your kernel and all its
    services used to run as LocalSystem, having full control over your system.
    When a service running as LocalSystem accesses the network, its username is
    the computers account. When a service running under this account is taken
    over, you can do anything with the computer and probably the network too.
    Use this only when you really need it.
    (Note that services could also be run under any other user).

    With Windows XP and Server 2003 Microsoft began to do something more about
    security and they provided 2 more special accounts:

    Network Service is more restrictive than LocalSystem, since it has less
    priviledges on the local computer. When accessing the network it still
    authenticates under the computer account. This service is intended when you
    need access to (protected) network services (such as shares) but don't need
    full control over your computer.

    Local Service is more restrictive than Network Service, because on the
    network its authentication is "anonymous" . It also has little priviledges on
    the local computer. So it has much less potential to destroy your computer
    and won't harm your network. This service is usually sufficient for most
    services, so use it...

    - Joris

    "JP" <JP@discussions .microsoft.com> wrote in message
    news:BF2AF995-7905-447B-879B-F9D85CB9857F@mi crosoft.com...[color=blue]
    > Can anybody explain me , what is Local System , Local Service and Network
    > Service and how they practically differ from each other.
    >
    > --JP[/color]


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