Event ID - 3370

Event Id3370
SourceMicrosoft-Windows-Hyper-V-Worker
Description%1' is unable to reset the virtual hard disk path for %3 as a result of a failure to create a snapshot. %4 (%5). (Virtual machine %2)
Event InformationAccording to Microsoft :
Cause :
This event is logged when unable to reset the virtual hard disk path for as a result of a failure to create a snapshot.
Resolution :
Retry snapshot
Analyze the environment in which the snapshot operation was being attempted, including the virtual machine configuration, the permissions on the folder containing the virtual machine configuration files and virtual hard disks as well as disk space. Also, look at the event log for prior failure events. Then, retry the operation.
By default virtual machine configuration files are at %ProgramData%\Microsoft\Windows\Hyper-V\Virtual Machines. %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 snapshot operation succeeds when retried.
Reference LinksEvent ID 3370 from Microsoft-Windows-Hyper-V-Worker

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