Oracle VM Virtual box – Failed to Open a session for the virtual machine.

Issue: When trying to open a virtual machine via Oracle VM Virtual box got the below error.

Call to NEMR0InitVMPart2 failed: VERR_NEM_INIT_FAILED (VERR_NEM_VM_CREATE_FAILED).

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

Fix:

Turn Off HyperV

  1. Run Command Prompt as administrator.(Right click and Run as administrator)

  1. Run the command bcdedit /set hypervisorlaunchtype off to switch off HyperV
  1. Restart the system.
  2. Try starting the VM again.

For any reason if you like to enable HyperV again, run the below command.

bcdedit /set hypervisorlaunchtype auto

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