Event ID - 14020

Event Id14020
SourceMicrosoft-Windows-Hyper-V-VMMS
DescriptionAn error occurred because the snapshot is corrupted. The disk paths of the parent and child snapshots are the same: %3. (Virtual machine ID=%2.) To fix the problem, delete the child snapshot.
Event InformationAccording to Microsoft :
Cause
This event is logged when an error occurred because the snapshot is corrupted.
Resolution
Delete child snapshot
Delete the child snapshot file. By default snapshots are stored at %systemdrive%\ProgramData\Microsoft\Windows\Hyper-V\Snapshots.
A snapshot in Hyper-V is a file-based snapshot of the state, disk data, and configuration of a virtual machine at a specific point in time.
Verify
The virtual machine with the storage attached is able to launch successfully.
Reference LinksEvent ID 14020 from Source Microsoft-Windows-Hyper-V-VMMS

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