Windows Server 2012 R2 no 64bit

Discussions related to using VirtualBox on Windows hosts.
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naidoort
Posts: 1
Joined: 22. Oct 2014, 15:42

Windows Server 2012 R2 no 64bit

Post by naidoort »

Hi All,

I have having a problem installing a 64bit (Windows 7) guest on windows server 2012 R2. Virtual Box doesn't seem to give an option for 64bit guests. Any ideas? THe host OS is 64bit.

Thanks
Perryg
Site Moderator
Posts: 34369
Joined: 6. Sep 2008, 22:55
Primary OS: Linux other
VBox Version: OSE self-compiled
Guest OSses: *NIX

Re: Windows Server 2012 R2 no 64bit

Post by Perryg »

1) 64-bit guests need hardware-virtualzation enabled in the hosts bios.
2) when creating the 64-bit guest you must select 64-bit in General -> Basic -> version.
3) If running Windows as host you must make sure hyper-v or xp mode is not enabled on the host. MS does not play well and wants it all.
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