Creating Snapshot Error:

How are you trying to create a snapshot via the GUI ?

this way:

does the VM have any current snapshots ?

have you tried delete all ?

The VM does not have Snapshot on the Snapshot Manager.
When I tried to create the snapshot, I got this error:
Invalid virtual machine configuration. An error occurred while taking a snapshot: Dictionary problem. An error occurred while saving the snapshot: Dictionary problem

However if I go to the command line, I see the snapshot file there:

-rw-------    1 root     root        6.0M Feb 28 10:19 VM1-000001-sesparse.vmdk
-rw-------    1 root     root         300 Feb 28 10:19 VM1-000001.vmdk

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did you create the orignal snapshot ?

Yes I did ,  in the GUI it shows It has failed with the error I pasted above, but in the command line it shows up in the list:
snap.jpg

Can you create a new snapshot wait 120 seconds, and then select delete ALL.

Otherwise the VMX file and/or VMSD is corrupted.

Is this just a test virtual machine we can discard, or does it need recovery ?

Because you are now in Snapshot Hell, Welcome! (this is the issue with snapshots!)

What I did to resolve this issue, was to Migrate the VM to a different ESX host. Create new Snapshot then delete it..
I ended up with the files shown below:


Not sure why the files ,That I indicated with Red Arrows on the screenshot, are still there ?

Thank you

no problems