A VM that was processed by Veeam is found to require consolidation, yet consolidation attempts fail.
or
A VM that was processed by Veeam is found to have an orphaned snapshot.
This can occur when Virtual Appliance Mode (HOTADD) is used due to:
Before beginning ensure that all jobs have stopped. This way the only disks that will be found attached to proxies will be the proxy's own disks and ones that need to be removed.
Identify Problem VMs
Review the settings of each Veeam Proxy looking for any disks which match the following:
Once you have found a disk HOTADDed to a proxy which needs to be released perform the following steps to release it.
If you find that a specific proxy continues have issues with disks becoming stuck HOTADDed to it, please review: https://www.veeam.com/kb1882
For more information regarding orphaned snapshots please read: https://kb.vmware.com/s/article/1005049