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[solved] Installation caused some other virtual machines failed to start


(Alexanderjsx) #1

Use of Hyper-V cause my fedora VM in VirtualBox fail to start with error:

Failed to open a session for the virtual machine fedora-lxde.VT-x is not available (VERR_VMX_NO_VMX).Result Code: E_FAIL (0x80004005)Component: ConsoleWrapInterface: IConsole {872da645-4a9b-1727-bee2-5585105b9eed}

(Alexanderjsx) #2

To fix this I had to disable Hyper-V virtualization and now my Virtualbox VM is working, but Docker is not (requires Hyper-V)

Steps to disable Hyper-V:

  • Open Control Panel
  • Go to Program section -> Turn Windows features on or off
  • Disable Hyper-V
  • Reboot computer

(Michael Friis) #3

VirtualBox and Hyper-V cannot be active at the same time. This is unfortunate, but a known limitation: