>One thing that's handy is to copy the VHD file (after shutting down the VM) once you've got a base configuration set up. That way, you could easily roll back the VM to a particular state by copying back the backup image. Especially useful in testing install to make sure it works correctly in a "clean" setup.
The snapshotting capabilities of more advanced VMMs like VirtualBox make this sort of testing very easy. With very little effort you can retain snapshots of various intermediate states while testing involved processes or installations.
Although I haven't tried it yet, I believe with VirtualBox you can even take a snapshot of a
running VM.
Regards. Al
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