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Event ID 12242 — 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: 12242
Source: Microsoft-Windows-Hyper-V-VMMS
Version: 6.0
Symbolic Name: MSSTOR_DEVICE_MOUNTED_READ_ONLY
Message: '%1': Cannot mount the device '%3' read/write because the device is already mounted read-only. (Virtual machine ID %2)

Resolve

Ensure Device is RW

Unmount the device and remount it as read/write.

Verify

The operation that lead to the failure now completes successfully.

Operations

Hyper-V