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The reason we can not run a 64-bit guest in Virtual Box even when run on a 64-bit host is that 64-bit guests don't make use of software virtualization. They depend on hardware virtualization to work: VirtualBox's 64-bit guest support (added with version 2.0) and multiprocessing (SMP, added with version 3.0) both require hardware virtualization to be ...


Ensure CPU virtualisation is on in your BIOS/UEFI virtual box can give strange errors when this is off since it now allows you to run a guest OS WITHOUT this feature turned on. you can check by downloading the Intel Processor Identification Utility http://www.intel.com/support/processors/tools/piu/sb/CS-014921.htm


It works))) I have disabled time sync with following commands: VBoxManage setextradata "VM Name" VBoxInternal/Devices/VMMDev/0/Config/GetHostTimeDisabled 1 VBoxManage setextradata "VM Name" VBoxInternal/TM/TSCTiedToExecution 1 VBoxManage setextradata "VM Name" VBoxInternal/TM/WarpDrivePercentage 400 # means 4x times faster Note, in Virtual Box 4.3.x you ...

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