Issue
Cannot launch any virtual machines on a Hyper-V host server (Windows Server 2016 Standard). Following error message is displayed when trying to start a VM:
Hyper-V Manager
An error occurred while attempting to start the selected virtual machine(s).
<VM-NAME> failed to start.
Virtual machine could not be started because the hypervisor is not running.
Resolution
Running systeminfo in command prompt shows that the host is ready for Virtualisation:
However, this also means that hypervisor is not running. When hypervisor is running systeminfo should return following:
To resolve this, run following command to enable hypervisor in bcdedit:
bcdedit /set {current} hypervisorlaunchtype auto
To confirm, that hypervisor is now enabled, run bcdedit again and look for the following line:
After rebooting the server virtual machines started with no issues.
November 2018
Windows Server 2018 Standard
