So one of my customers has a 2012 Hyper V server. One of the VMs running on it had 3 snapshots recently taken, all 3 were not needed, so the top-most snapshot was selected and then the entire subtree of snapshots was deleted. The Hyper-V host no longer shows any snapshots for that VM. However, looking at the physical location where the VHDX file is stored, there is still 3 AVHDX files (with one of them continuing to grow).
How long does it take Hyper V to delete these from the disk? The server is still UP... but i read with 2012, that's fine... thoughts on why these files are leftover? Hyper V did not give any indication that deletion of the snapshots was unsuccessful. Thanks JR

