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Event ID 12666 — Operations

Applies To: Windows Server 2008

This is preliminary documentation and subject to change.

This aspect refers to events relevant to storage that may occur during normal operations on the virtual machine.

Event Details

Product: Windows Operating System
ID: 12666
Source: Microsoft-Windows-Hyper-V-Worker
Version: 6.0
Symbolic Name: MSVM_VDEV_CANT_CHANGE_MEDIA_WHEN_DRIVE_IS_LOCKED_SUMMARY
Message: Could not change the media. The media is currently locked by the guest operating system.

Resolve

Ensure Device is not in use

Ensure the device is not in use by another process and retry the operation.

Verify

The operation that lead to the failure now completes successfully.

Operations

Hyper-V