WUA fails to install even with /wuforce "WUA already installed"

Discussion in 'Windows Update' started by cholyo, Jan 20, 2009.

  1. cholyo

    cholyo Guest


    We are having a problem with a Windows 2008 server talking to our WSUS 3.0
    SP1 server. It suggests the problem is with the WUA, and certainly have
    experienced similar problems with other machines,

    When trying to install WUA, with or without the wuforce switch, the system
    fails to install with the message:

    "Install is not needed since Windows Update Agent is already installed."

    I have even tried the /uninstall switch which also fails.
    I have also tried the trick to register the usual dll files

    Does anyone know how I maybe able to resolve this?
    cholyo, Jan 20, 2009
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  2. PA Bear [MS MVP], Jan 20, 2009
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  3. In which folder exactly is the WindowsUpdateAgent30-x86.exe residing?
    Try the following, *including* the quotes and the blanks:
    "[drive]:[path]\WindowsUpdateAgent30-x86.exe" /wuforce

    Replace [drive] with the drive letter or server name and [path] with
    the *complete* path to the folder in which WindowsUpdateAgent30-x86.exe
    is placed into.

    In case it's the 64bit version of WUA, replace the EXE name with the
    right one.

    Ottmar Freudenberger, Jan 21, 2009
  4. First, there is no requirement to install the WUA on a Windows Server 2008
    system, as the WUA installed on Win2008 is already perfectly capable of
    communicating with a WSUS server, and *selfupdating* (if required).

    A point to be taken at face value.

    Perhaps you could explain WHY you feel these steps are necessary?

    Note: You'd likely do better by:
    [1] Running the Client Diagnostic Tool on the Win2008 system and posting the
    results for analysis,
    [2] Reviewing the WindowsUpdate.log on the Win2008 system and posting the
    results (specifically, the entries introducing error codes).

    *Rarely* is such a condition the result of a defective WUA, and when it is,
    it's almost always one of a handful of well documented, and well known,

    Lawrence Garvin, M.S., MCITP(x2), MCTS(x5), MCP(x7), MCBMSP
    Principal/CTO, Onsite Technology Solutions, Houston, Texas
    Microsoft MVP - Software Distribution (2005-2009)

    MS WSUS Website: http://www.microsoft.com/wsus
    My Websites: http://www.onsitechsolutions.com;
    My MVP Profile: http://mvp.support.microsoft.com/profile/Lawrence.Garvin
    Lawrence Garvin \(MVP\), Jan 21, 2009
  5. cholyo

    cholyo Guest

    Thanks for your help - I forgot about the Automatic updates logs...
    Found an ancient GPO sending the machine to the wrong SUS machine (part of a
    company merger),.... Thanks for your help = Closing ticket
    cholyo, Jan 22, 2009
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