I am slowing going through and removing snapshots that for some inexplicable reason have been running since 2012!!!!!!!
Most have been fine to delete and let the merge happen offline or at worst export and import the machine. I am left with a single server that has a whomping 150GB snapshot that keeps generating the following error:
I get the same error when I try and export the machine. I cant find anything online to describe this and the "unspecified error" is really frustrating. Has anyone else seen this behaviour before or have any clever workarounds?
EDIT:
So looking at it all files are on the same mounted volume. There are two AVHD files though (both over 100GB!!!!!) but only one snapshot showing in Hyper-V. I am wondering if the orphaned snapshot is causing the issue. Downside is the VHD has a modified date after the first VHD so something has been botched on this machine..