Ticket #13571 (new defect)

Opened 8 years ago

Last modified 8 years ago

64bit guest on 64bit Windows 8.1 running bootcamp on a macbook air

Reported by: Skovby Owned by:
Component: other Version: VirtualBox 4.3.18
Keywords: Cc:
Guest type: Windows Host type: Windows


I have just installed Virtual Box 4.3.18r96516, on a Macbook Air running Windows 8.1 in bootcamp. Right after the installation completed, I installed Windows Server 2012R2 64bit on a new virtual machine - this worked perfectly and I also installed an SQL server 2012 afterwards. Now a few hours later after sleeping the computer I get this error: "VT-x/AMD-V hardware acceleration is not available on your system. Your 64-bit guest will fail to detect a 64-bit CPU and will not be able to boot.". I tried rebooting into OS X and back again, but that didn't work either (same error). In task manager->performance it says Virtualization Enabled, and from a bit of research I can gather that virtualization should be enabled as default on all macs.

Change History

comment:1 Changed 8 years ago by frank

You set "Windows" as host type. Are you really running Windows as host OS on that MacBook Air?

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