Virtual PC no support 64 bit OS??


  1. Cluent
    Posts : 179
    Windows 7 Professional
       New #1

    Virtual PC no support 64 bit OS??


    I wanted to install Vista to do a couple of tests. I don't have any spare machines, so I thought I'd install in a virtual machine under Windows 7. Windows Boot Manager gave me his message:

    "Attempting to load 64 bit application, however this cpu is not compatible with 64bit mode."

    Of course my computer is ok with 64bit (my primary OS is Win 7 64 bit).

    Is Microsoft VPC not compatible with 64 bit guest systems?
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  3. ignatzatsonic
    Posts : 12,012
    Windows 7 Home Premium SP1, 64-bit
       New #2

    You may have a virtualization option that must be turned on in the BIOS. I do.
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  4. Cluent
    Posts : 179
    Windows 7 Professional
    Thread Starter
       New #3

    ignatzatsonic said:
    You may have a virtualization option that must be turned on in the BIOS. I do.
    I am already running Windows XP Mode, so that should not be an issue. Right?
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  6. ignatzatsonic
    Posts : 12,012
    Windows 7 Home Premium SP1, 64-bit
       New #4

    I don't know. The instructional material I read said to be sure it was switched on, so I did so.
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  7. Cluent
    Posts : 179
    Windows 7 Professional
    Thread Starter
       New #5

    Sorry, I just found the answer to my question. Unfortunately 64-bit guest OS is not supported. Look here:

    VPC and 64-bit Guest support...

    I might have to turn to virtualbox.
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  8. Kari
    Posts : 17,545
    Windows 10 Pro x64 EN-GB
       New #6

    Sorry to tell you but Virtual PC does not support 64-bit guest operating systems. If you want to install a x64 OS on a virtual machine you can use Sun VirtualBox. Free download here.

    Kari
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  10. Cluent
    Posts : 179
    Windows 7 Professional
    Thread Starter
       New #7

    Kari said:
    Sorry to tell you but Virtual PC does not support 64-bit guest operating systems. If you want to install a x64 OS on a virtual machine you can use Sun VirtualBox. Free download here.

    Kari

    Indeed, you read my mind. See my post of a few seconds ago. This is sooo like Microsoft.
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