Failed to Power on VM after Restoring Hyper-V

Symptom

Unable to power on virtual machine after restoring Hyper-V virtual machine. Following error is displayed:

Synthetic Ethernet Port (Instance ID …): Failed to Power on with Error 'Attempt to access invalid address.'

Solution

This error occurs as the MAC address of the restored VM conflicts with the existing VMs. Remove the NIC adapter from the restored VM, then manually add a new one to resolve the issue and power on successfully.