So I’ve had the problem in the past where I need to remove very old snapshots for ESX virtual machines and eventually after hours of merging it fails with no apparent reason. Recently I was looking into how I could get aroudn this. The idea I was testing was to use Converter Enterprise to esentially do a V2V. That way, if the conversion failed I will still have the original machine in its old working state.
After starting this process on a test VM, after 3 hours of converting it failed. The logs gave me the following:
UNKNOWN_METHOD_FAULT(vim.fault.NotAuthenticated)
I stumbled upon a post on the vmware communities that suggested I try the following
When setting up the conversion, don’t use “convert all disks and leave current size”, use “select volumes…” and leave all volumes selected and the default options checked.
I gave it another try and voila! Conversion worked without error.
I wonder if multiple disks has anything to do with the snapshot merging problems I’ve had so many times. As I attempt to remember specifics of all past failed attempts, I believe they’ve all had multiple disks. Maybe that was the problem all along? As long as this Plan B works I’m happy!






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