A virtual machine can have multiple snapshots.

If a certain disk mode of the virtual machine is "independent-persistent" or "independent-non-persistent", use fast

When the restorer is used, the data on the disk will not be restored.

Using the existing snapshot of the virtual machine, the data of the virtual machine can be restored to the state when the snapshot was created.

If the virtual machine deletes the port group where the network card of the virtual machine is located after the snapshot is created, the

When the original virtual machine is used, the deleted port group will also be restored.