Performing backups of VM data is important because no one is immune to the problem of data corruption. But what is the probability of successful recovery from a backup? Suppose you have backed up a VM, but when you need to recover, you notice that something is wrong with the VM that renders recovery impossible. The most unfortunate events are when important VMs are corrupted and there are no backup copies. For this reason, best practice is to make sure that the backed-up data is consistent and that your VMs are bootable from backups.

Full article here:

https://techigem.com/hyper-v-screenshot-verification-ensure-recoverability/