- Low Costs: can be used to consolidate the workloads of several under-utilized servers to fewer machines, perhaps a single machine (server consolidation). Related benefits (perceived or real, but often cited by vendors) are savings on hardware, environmental costs, management, and administration of the server infrastructure.
- System Mobility: Virtualized System OR VM’s can be moved potentially from Hardware to another depending upon the availability or VM requirements.
- Multiple OS: Virtualization is to run multiple operating systems simultaneously: different versions, or even entirely different systems, which can be on hot standby. Some such systems may be hard or impossible to run on newer real hardware.
- Increase Availability: Server virtualization also makes restoring failed systems easier. VMs are stored as files, and so restoring a failed system can be as simple as copying its file onto a new machine. This increases the uptime of the VM.
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