Re: Inconsistencies between Windows Updates and AU/SUS

From: k levinson (levinson_k_at_YAHOO.COM)
Date: 09/24/04

  • Next message: urity: "Automatically passing NTLM authentication credentials on XP"
    Date:         Fri, 24 Sep 2004 07:27:02 -0700
    To: NTBUGTRAQ@LISTSERV.NTBUGTRAQ.COM
    
    

    [My previous email had an inaccuracy in it which I've
    fixed in this version.]

    RE: WU versus SUS, I would use MBSA in HFNETCHK mode
    to get more detailed information about what patches AU
    thinks is missing. You can run it as many times as
    you want to compare what patches are listed as
    missing. This might help you figure out what is going
    on.

    mbsacli.exe /hf -v
    mbsacli.exe /hf -v -sus http://yoursusserver

    Unless I'm mistaken, SUS 1.x uses the HFNETCHK-style
    of checking for patches by checking many files and
    registry values, whereas WU currently uses a different
    and less rigorous method primarily checking registry
    values, I believe as a way to solve performance
    issues. I think WU also caches the results in a local
    CAB file that can become corrupt. SUS 2.x
    unfortunately is supposed to go over to the WU method
    of checking. I would tend to trust SUS 1.x over WU.

    Also, because WU mainly checks registry values to see
    whether a patch has been installed, I'm not sure WU
    necessarily notifies you when patches have been
    revised, whereas SUS definitely does.

    Regarding the other questions, I might search or ask
    at the relevant microsoft.public.* newsgroups and/or
    www.susserver.com.

    - Karl Levinson

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