Cannot power on CachePoint, "Cannot open the disk 'UnideskLayers/..."

After host or storage failure, you may find that one or more CachePoints CP will not longer boot. The error message given by vCenter is: An error was received from the ESX host while powering on VM CP01. Cannot open the disk 'UnideskLayers/User/Desktop3/P14407081000000d8.B0.R1.V0-000001.vmdk' or...

Backup Job or Backup Proxy rescan fails with “Failed to create processing task for VM Error: Disk 'GUID' not found”

After installing patch 1 for Veeam Backup & Replication 8, jobs may start to fail with the following error message:Error Failed to create processing task for VM Error: Disk ''...