SYSTEM group, what is it for?

Posted on 2011-04-29
Last Modified: 2012-05-11
Hello Experts,  I am making security changes to my network.  I see in some of the user home directories on my server there is a group named "SYSTEM" on some directories and not on others.  What value does this SYSTEM group provide?

Also, I don't see this group in Active Directory.
Question by:tucktech
    LVL 37

    Assisted Solution

    by:Adam Brown
    System allows access to files and folders specifically for the computer to access files without using user credentials.
    LVL 70

    Assisted Solution

    The SYSTEM group refers to windows itself - it normally needs to access all files and folders - you cannot control the membership of this group
    LVL 57

    Accepted Solution

    Some more info on system, to piggyback on acbrown's answer
    How the System account is used in Windows




    Author Comment

    Having said all the information above, I should keep SYSTEM as a valid group to access home directories on the server, correct?
    LVL 37

    Assisted Solution

    by:Adam Brown
    Leaving it there won't really harm anything, and adding it to the folders that don't have it won't really give you any advantages. You can clear it out if you like, but it's effectively just a lot of ACL work for no benefit.

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