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Exchange 2010 and KB 979744

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    I am installing Exchange 2010 on a new Windows Server 2008 R2 x64 instance. The exchange setup requires that several hotfixes be installed.  The Exchange Readiness Check failes with the error:

    Client Access Role Prerequisites

    Failed

    Error:

    This computer requires the update described in Microsoft Knowledge Base article 979744 (http://go.microsoft.com/fwlink/?linkid=3052&kbid=979744). Please install the required update to proceed.

     

    When I try to install the hotfix for KB 979744 I get the error "This update does not apply to your system."  I have .NET 3.5 SP1 installed.

    HELP!  Any suggestions?

    Wednesday, April 27, 2011 7:04 PM

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    If the server is Windows Server 2008 R2, it will not show you "Windows Sever Enterprise, Service Pack 2", if it does, reinstall!! ;) 
    Adam Bokiniec
    • Marked as answer by eclipse124 Wednesday, June 01, 2011 7:58 PM
    Wednesday, May 04, 2011 1:39 PM

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    Hi Eclipse,

    Install SP1 for Windows Server 2008 R2 first, the Patch KB979744 is not then longer required.

    Exchange 2010 SP1 Prerequisites on 2008 R2 SP1: http://eightwone.com/2011/02/24/exchange-2010-sp1-prerequisites-on-2008-r2-sp1/

    Adam Bokiniec
    • Proposed as answer by Adam.Bokiniec Wednesday, April 27, 2011 7:49 PM
    Wednesday, April 27, 2011 7:49 PM
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    SP1 will not install because the OS shows as Windows Sever Enterprise, Service Pack 2.  Seems we're stuck in a loop!
    Wednesday, April 27, 2011 11:31 PM
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    Hello,

     

    Have you compare the system file versions according to the following KB?

     

    http://support.microsoft.com/kb/979744

     

    Are they newer on your computer?

     

    Thanks,

    Simon

    Friday, April 29, 2011 8:22 AM
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    The files are newer on my computer.
    Friday, April 29, 2011 1:19 PM
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    Just a silly question. Is the update the x64 one for your specific OS, something like, Windows6.1-KB979744-x64?
    Saturday, April 30, 2011 3:10 PM
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    Yes, the one I'm installing is Windows6.1-KB979744-v2-x64.msu
    Monday, May 02, 2011 8:32 PM
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    Hi Sherrie,

     

    I think it should be system files issue.

     

    Does this issue occur when installing the other roles on other computer?

     

    If it is convenient, a reinstall of the Windows should be the most efficient workaround solution.

     

    Thanks,

    Simon

     

    Wednesday, May 04, 2011 3:51 AM
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    If you decide to reinstall then I would go with Windows Server 2008 R2.
    Adam Bokiniec
    Wednesday, May 04, 2011 7:10 AM
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    No the issue does not happen when installing other roles.
    Wednesday, May 04, 2011 12:48 PM
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    I'm getting to the point of reinstalling Windows...problem is the system is already Server 2008 R2.
    Wednesday, May 04, 2011 12:50 PM
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    If the server is Windows Server 2008 R2, it will not show you "Windows Sever Enterprise, Service Pack 2", if it does, reinstall!! ;) 
    Adam Bokiniec
    • Marked as answer by eclipse124 Wednesday, June 01, 2011 7:58 PM
    Wednesday, May 04, 2011 1:39 PM