Hyper-V on Windows 2019 S2D unable to create a checkpoint for a particular VM

Copper Contributor

I can take snapshots of other VMs, but not this one. There is already one checkpoint in place.


This is the error


[Window Title]
Hyper-V Manager

[Main Instruction]
An error occurred while attempting to checkpoint the selected virtual machine(s).

Checkpoint operation failed.

'vm_name' could not initiate a checkpoint operation.

[Expanded Information]
Checkpoint operation for 'vm_name' failed. (Virtual machine ID 409F8A99-AFE7-480C-AEA2-95D5E90E9C1A)

'vm_name' could not initiate a checkpoint operation: %%2147754992 (0x800423F0). (Virtual machine ID 409F8A99-AFE7-480C-AEA2-95D5E90E9C1A)


How can I narrow down what is causing this?


I think there is enough of disk space.

The vmrs file for this VM is 67Gb

There are about 49Gb worth of vhdx files for this VM on S2D vol

The avhdx files, presumably the first checkpoint is 10Gb

There is over 180Gb free on S2D vol

SQL instance in this VM is storing databases on a remote file share but these should not be part of the checkpoints.


PS C:\Windows\system32> Get-HealthFault
WARNING: There aren't any faults right now.
PS C:\Windows\system32>


Last but not least I can see this inside the VM using vssadmin list writers:

Writer name: 'SqlServerWriter'
Writer Id: {a65faa63-5ea8-4ebc-9dbd-a0c4db26912a}
Writer Instance Id: {fa8a6236-e52b-4970-8778-b8e024b46d70}
State: [8] Failed
Last error: Inconsistent shadow copy

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