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Showing posts from March, 2017

Virtual machine could not be started because the hypervisor is not running

I wanted to experiment with TensorFlow, and decided to do that in a Linux VM, despite the fact that Windows Subsystem for Linux exists. In the past I used Sun’s, and then Oracle’s VirtualBox to manage virtual machines, but since my Windows install had Hyper-V, I decided to use that instead. The virtual machine configuration was easy, with disk, networking, and memory configurations non-eventful. However when I tried to start the virtual machine to setup Ubuntu from an ISO, I was greeted with the following error: “Virtual machine could not be started because the hypervisor is not running” A quick Internet search revealed that a lot of people have faced that problem, and most of the community board solutions did not make any sense. The hidden gem is this technet article , which included detailed steps to find if the Windows Hypervisor was running or not, and the error message if it failed to launch. In my case, the error was: “Hyper-V launch failed; Either VMX not present or