[vbox-dev] (Bug?)VT-Bit

Jd Lyons lyons_dj at yahoo.com
Fri Feb 3 11:45:05 GMT 2017

I changed my CPU from one that supports VT-x to one that doesn’t, now none of my virtual machines will run

Failed to open a session for the virtual machine Tiger.

VT-x is not available (VERR_VMX_NO_VMX).

Result Code:	NS_ERROR_FAILURE (0x80004005)
Component:	ConsoleWrap
Interface:	IConsole {872da645-4a9b-1727-bee2-5585105b9eed}

I edited the .vbox-prev of the virtual machines, and added:

<HardwareVirtEx enabled=“false”/>

But every time I launch VB, it overwrites the settings, removes <HardwareVirtEx enabled=“false”/>.

I can’t access the Acceleration tab in VB, it’s greyed out, but it must have the VT-x checkbox checked?

Is there some preference file I need to delete?

macOS Sierra 10.12.2

VB 5.1.14 r112924 (Qt5.6.2)  
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