Although this is a small environment, it serves as a good example to identify the criticality of important components typical in many infrastructures:Virtualization backup provides advantages such as: Knowledge of the VMs and the hosts they run on Knowledge of the virtual storage and what needs to be protected The ability to snapshot VMs and back them up with no downtime The ability to protect only the VM disk blocks that have changed, reducing the backup times and the amount of data backed up. In-guest data backup Allows to protect SQL Server, Exchange Server, SharePoint Services and other data to disk as often as every 15 minutes.