Event ID 12720 — BIOS Configuration
Applies To: Windows Server 2008
This is preliminary documentation and subject to change.
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This Aspect refers to events pertaining to the BIOS of the virtual machine.
Event Details
| Product: | Windows Operating System |
| ID: | 12720 |
| Source: | Microsoft-Windows-Hyper-V-Worker |
| Version: | 6.0 |
| Symbolic Name: | MSVM_VDEV_BIOS_NUM_LOCK_CHANGE_ONLINE |
| Message: | Cannot modify the numeric lock when the virtual machine is online. |
Resolve
Turn Off virtual machine
Turn Off the the virtual machine, then apply the changes.
Verify
The virtual machine is able to start up successfully with the desired BIOS settings applied.