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I'm running Windows Virtual PC (RC) on a Windows 7 (RTM) 64-bit host. When I create a new virtual machine and try to install 64-bit Windows 7 on that VM, I get "this CPU is not compatible with 64-bit mode."

Is there a way to create 64-bit virtual machines?

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  • "Windows Virtual PC" is the product name, so that's why I used that as the tag. Aug 23, 2009 at 19:38
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    I found this odd myself, especially as there is separate x86 and x64 installers... Aug 24, 2009 at 16:24
  • After I asked this question, a duplicate was added to superuser via migration from serverfault. superuser.com/questions/28043/… Aug 27, 2009 at 15:13

1 Answer 1

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Windows Virtual PC does not support 64-bit guests. You may want to look into VirtualBox or VMware. You may also want to see the answers to the similar question on Server Fault.

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  • VirtualBox website says "VirtualBox is a general-purpose full virtualizer for x86 hardware" and makes no claim for (Intel) x64 architecture Aug 24, 2009 at 16:28
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    @Rowland, do some research: virtualbox.org/wiki/VBox_vs_Others
    – user1931
    Aug 24, 2009 at 16:37
  • @John T that only says "64 host OS support" - it doesn't specify which 64 bit architecture it supports (x64 or ia64, etc.) Aug 25, 2009 at 7:47
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    @Rowland, you aren't even looking for the right thing. A VM is considered a guest, not a host.
    – user1931
    Aug 25, 2009 at 15:57

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