Snapshots are extremely useful in training classes or testing environments. When your company goes to test new software, you can make sure to do snapshots at every single step so you can immediately go back if some problems or issues arise. In training classes, you can prepare each virtual machine for your students according to your special require- ments, and once the course is finished, you just revert all virtual machines to their initial configuration. No hassles with experienced users that change your configuration without letting you know anymore.
Creating a Snapshot of a Virtual Machine
Follow these steps to create and rename a snapshot of a virtual machine using Hyper-V Manager:
1.Click Start Administrative Tools Hyper-V Manager.
2.In Hyper-V Manager, in the Virtual Machines pane, right-click the virtual machine. In the Actions pane, select Snapshot.
3.Once the snapshot is taken, it should appear in the Snapshots pane in Hyper-V Manager. Right-click the snapshot and select Settings.
4.In the Settings window, on the Management pane, click Name and type in First Snapshot as the name.
5.You can also add some notes to make it easy to identify.
6.Click OK to apply the changes.
Once you create a snapshot for a virtual machine, you will also have the Revert option available in the virtual machine name’s pane in Hyper-V Manager. Reverting basically means that you restore the last snapshot made. You also see the last snapshot taken marked with a green arrow in the Snapshots pane.
However, you will also have options available directly on the snapshot level that let you perform certain actions:Settings This opens the settings window of the virtual machine. The only settings you can change are the name and the notes field. All others are read-only.
Apply Applying a snapshot to a virtual machine technically means that you copy the virtual machine state from the snapshot to the active virtual machine. You can look at this as a “restore this snapshot” option. Because you would lose all unsaved data and settings from the active virtual machine, you will be asked if you want to create another snapshot before you apply this snapshot. If you just click Apply, the active machine will be overwritten and reverted back to the state it was in when the snapshot was made. This snapshot will not be removed.
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