We're going to be installing SP1 on the Exchange 2010 server. It's a virtual server. Of course, like anything I'd like to ensure we are able to revert back to the settings prior to the install in case we run into problems. I believe I can do this using the snapshot manager on Vmware and once we're happy we can 'commit the changes'.
But technically, how can I do this? Do I take a snapshot first and then install SP1 and then commit changes via snapshot manager?