If you run applications that are not relying on infra you can run that on KVM. VSphere offers more functionallity to support the application from a infra perspectve. Most traditional enterprise apps I would not run on KVM, also taking into account the support you may need…

Very interesting to see how this works at a SP with such a large scale and the benefits it brings. Did you ever work with or looked at other solutions? How do they stack up in an environment like yours?

Me too. And yes license cost of VMware are generally more expensive then Microsoft, however Microsoft always compares with buying the most expensive VMware solution that offers way more then what Microsoft can offer and disregards that you probably have a lot already in…