There is a lot that I like about Vmware VSphere 6 and Operations Management Enterprise Acceleration Kit. It is a very capable server virtualization platform. In the past, IT Departments struggled with server sprawl. Every server-based application was supposed to run on its own server. With vSphere, you can run multiple virtual servers on a single, physical computer, even if the virtual servers are running different operating systems such as Microsoft Windows and Linux. vSphere lets you take snapshots of the virtual servers when needed to allow the option for rolling back to a previous state (helpful for things like testing out patches without having to make the change permanent). vSphere also allows you to create templates of of virtual servers that can be used to create new virtual servers pre-configured and patched. You can also clone active virtual servers which is useful when you are looking to upgrade an application and need to test it while still maintaining the active production environment. With add-ons such as vCenter, you can further extend the capabilities to include automated fail-over of virtual servers in the event of a host failure. You can also migrate live, active virtual servers from one host computer to another without impacting users. I could go on and on about the things I like about vSphere. It sits at the heart of my data center and I have designed our data center around it. Not much i don't like here. The licensing can be a bit confusing at times. The product is available in different tiers, such as Essentials, Standard and Enterprise Plus. As you move up from the bottom tier, additional features are added. You need to understand the features at each tier to determine which product you need.