Hyper-V: Checkpoint operation failed
On Hyper-V manager console
An error occurred while attempting to checkpoint the selected virtual machine(s)
In Hyper-V Eventlog
EventID 18012, Microsoft-Windows-Hyper-V-VMMS/Admin:
Checkpoint operation for 'FPPW0058' failed. (Virtual machine ID XXX)
In VM Eventlog (InGuest)
EventID 8229, Application:
A VSS writer has rejected an event with error 0x800423f4, The writer experienced a non-transient error. If the backup process is retried, the error is likely to reoccur...
Operation: PrepareForSnapshot Event
The VSS Writer "SqlServerWriter" has an error.
Run the following commands in the VM (InGuest):
Stop-Service EventSystem -Force Restart-Service VSS Start-Sleep -Seconds 2 Start-Service EventSystem Start-Service SENS