you have ten servers in your datacenter running windows server and linux. you recently performed performance monitoring tests and found that you have two high-performance windows servers that are underutilized with respect to processing, memory and storage. you have several other lower performance servers that are running windows server and linux on older hardware that is out of warranty and is becoming unreliable. using your existing resources, what can you do to better utilize the high performance servers while being able to retire the older servers?