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Event ID 12021 — Motherboard

Applies To: Windows Server 2008

This is preliminary documentation and subject to change.

This Aspect refers to events pertaining to the motherboard of the virtual machine.

 

Event Details

Product: Windows Operating System
ID: 12021
Source: Microsoft-Windows-Hyper-V-Worker
Version: 6.0
Symbolic Name: MSVMB_POWER_OFF_ERROR_SUMMARY
Message: %3 (Instance ID %6): Failed to power off with Error '%4'

Resolve

Turn Off virtual machine

Try turning off the virtual machine again.

Verify

The virtual machine is able to power on successfully.

 

Motherboard

Hyper-V