Upgrading a vSphere Essentials 4.1 ESX cluster to vSphere 5.1 with ESXi servers
Over the last few weeks, I needed to upgrade our VMware vSphere 4.1 cluster which had ESX 4.1 servers to vSphere 5.1. Trouble was, there really was not a “here’s the order to do this in” without trying to read thorough many Terrabytes of VMware documentation. So, here’s what I did and it worked for […]