Hyper-V WMI: Managing Virtual Machine Snapshots

Hyper-V implements a feature known as snapshots, this should not be confused with a SAN snapshot or a VSS snapshot these snapshots are quite different. A Hyper-V snapshot allows you to save off the current state of a virtual machine even while the virtual machine is running or paused.  You can then you can revert back […]

Hyper-V implements a feature known as snapshots, this should not be confused with a SAN snapshot or a VSS snapshot these snapshots are quite different. A Hyper-V snapshot allows you to save off the current state of a virtual machine even while the virtual machine is running or paused.  You can then you can revert back to this state at a latter point…  You can create tree’s of snapshots (see screen shot), think about application testing when you might need an XP RTM image, XP SP1, XP SP2, XP SP1 that was upgraded to SP2 and then rolled back to SP1 etc…  With a snapshot tree you can create all of these interesting combinations without having to reinstall a physical or virtual machine 20 times… and when the next service pack comes out you can just apply the interesting base snapshots create a new snapshot and install the service pack – Major Time Saver!

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