| Event Id | 12243 |
| Source | Microsoft-Windows-Hyper-V-Image-Management-Service |
| Description | Failed to mount the device '%3': The device is already mounted read-only, and an attempt was made to mount it read/write. |
| Event Information | According to Microsoft : Cause : This event is logged when Failed to mount the device. Resolution : Ensure Device is RW Unmount the device and remount it as read/write. Verify : The operation that lead to the failure now completes successfully. |
| Reference Links | Event ID 12243 from Source Microsoft-Windows-Hyper-V-Image-Management-Service |
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