#Checkpoints

2 guides

Diagram-style cover showing a Hyper-V AVHDX differencing disk chain merging back down into a single base VHDX file

Virtualization (Hyper-V, VMware, VirtualBox)

How to Merge Hyper-V AVHDX Checkpoint Files

Stuck with orphaned AVHDX files after a failed backup or checkpoint? Learn what AVHDX is and two safe ways to merge the chain back into your VHDX without data loss.

Sysadmin Desk Jul 13, 2026 8 min read

Diagram-style cover showing a Hyper-V checkpoint operation, the AVHDX differencing disk chain, and the points where a checkpoint can fail

Virtualization (Hyper-V, VMware, VirtualBox)

How to Fix Hyper-V Checkpoint Failed

Hyper-V checkpoint failed? Fix it by checking disk space, VHDX permissions, VSS writers, and production vs standard checkpoints — with the AVHDX chain explained.

Sysadmin Desk Jul 6, 2026 8 min read