How to upgrade windows 2008R2 standard to datacenter

Posted on 2012-09-16
Last Modified: 2012-09-25
Is it possible to upgrade from windows2008 R2 server standard to datacenter without installation work ?
 I mean, Is this just completed by input new license code of datacenter edition ?
Question by:shouichi
    1 Comment
    LVL 18

    Accepted Solution

    It's is possible.

    Please refer below link to Upgrading Windows Server 2008 R2 without media


    Windows Server 2008 R2 introduces a new command-line utility, DISM, the Deployment Image Servicing and Management tool.    One of DISM’s many useful features is the ability to use its edition-servicing commands to upgrade an R2 installation without requiring install media.  This is functionally equivalent to Windows Anytime Upgrade in a Windows 7 client install, and can be performed on both an online or offline image, and on both full Server and Server Core installations.



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