VMware - VMware Player does not support nested virtualization on this host.

Issue

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VMware Workstation 15 Player

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Error while powering on: VMware Player does not support nested virtualization on this host.

Module 'MonitorMode' power on failed.

Failed to start the virtual machine.

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OK

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Recommended solution

For using vmware, use this command in PowerShell or Command Prompt (Administrator mode) and reboot system:

bcdedit /set hypervisorlaunchtype off

For Hyper-V:

bcdedit /set hypervisorlaunchtype auto

Hyper-V and Vmvare still don't work together.

I had to set Hyper-V launchtype to auto to support Docker Desktop (for latest Docker Desktop, you can use WSL thus Hyper-V is not required).

Source: https://communities.vmware.com/t5/VMware-Workstation-Pro/VMware-Workstation-does-not-support-nested-virtualization-on/td-p/1864217