Recently tried to backup a single disk of a new VM , however was failing with 

“Failed to collect VM disks. Failed to get shared disk extents. Failed to get virtual disk ” per below

7/12/2021 5:09:48 PM :: Error: Failed to collect VM (ID: CCCCCCCCCCCC) information. Failed to collect VM disks. Failed to get shared disk extents. Failed to get virtual disk (path: ‘\\CCCC.local\CCCCCCCCCCC\Virtual Machines\CCCCC02\Virtual Hard Disks\CCCCCCCC02-Pagefile.vhdx’) setting data. Job failed (‘Failed to get the disk information.

Failed to open attachment ‘\\CCCC.local\CCCCCCCCCCC\Virtual Machines\CCCCC02\Virtual Hard Disks\CCCCCCCC02-Pagefile.vhdx’. Error: ‘The process cannot

The drive I was backing up wasn’t even the drive it was erroring on. I saw someone has the error here however confirmed the disk wasn’t being used elsewhere. I migrated the VM to a new host and that fixed the issue