Error bringing up imported graylog ova in virtualbox

I imported the graylog demo ova into my VB on Windows 7 and got this error when I tried to start the VM:

Failed to open a session for the virtual machine graylog-beta.

VT-x is disabled in the BIOS for all CPU modes (VERR_VMX_MSR_ALL_VMX_DISABLED).

Result Code:
E_FAIL (0x80004005)
IConsole {872da645-4a9b-1727-bee2-5585105b9eed}

How do I fix this so I can run the demo to see if graylog is what we need for out logging?



It seems that part of the problem was that the VM memory was set to 4GB, which is all I have on the host. I scaled that down to 1788MB, and the VM booted, but all I get is a black screen.

Any clues or suggestions would be most welcome.


You have to activate the processor’s virtualization extensions (VT-x) in the BIOS of your computer:

Less than 4 GB of memory is problematic for the virtual appliance. While you can tune it to require less memory, with the default settings it’s only happy with 4 GB and more.

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