Situation: The client has a windows 2012 R2 server logs this event ID 58 and 157:
The disk signature of disk 1 is equal to the disk signature of disk 0 and Disk 1 has been surprise removed.
Troubleshooting: This could be the backup or VSS issue. Since Veeam backup doesn’t have a problem, people say: “It is a known behavior in Windows Hypervisor environments and we can safely ignore the warnings”.