In most cases it is recommended that you use Hyper-V backups to protect your Hyper-V virtual machines. However, in some instances, you might wish to protect your VMs at the guest OS level and protect them the same way you would protect physical machines. Hyper-V and guest-OS-level backups provide you with different options.
For details, see the following topics:
• Comparison between Hyper-V and guest-OS-level backups
• Recommendations and considerations for protecting Hyper-V VMs at the guest OS level
Important! Do not run Hyper-V backups for VMs that you are protecting at the guest level. Doing so can lead to undesirable results.