Hyper-V Checkpoint Operation Failed: A Read-First VSS, Storage, Permissions, and Orphaned AVHDX Triage
Then match the symptom: A disk with a DiskNumber and no.vhdx Path is a pass-through disk (our reading of the output). Microsoft's guide lists pass-through disks, shared VHDX, and synthetic Fibre Channel as unsupported for checkpoints: "Remove or convert…