Reading Time: 2 minutes As written in the previous post, the VM upgrade (after a vSphere upgrade) require first the upgrade of the VMware Tools and then (if needed) the upgrade of virtual hardware. But there are also more considerations to do. Some days ago, I was involved in a upgrade path a little unusual: from VI 3.5 (and also quite old, only U2) to vSphere 5. For hosts and vCenter Server was simple: just a re-installation and re-configuration. But there where more issues  in the VMs upgrade. Here some of my considerations: Seems obvious, but a VM check […]