Reading Time: 7 minutes The new VMware vSphere 6.0 has so much interesting new features and scalability properties that make interesting for each new environment, but also for existing customers (with an active subscription, so that you can also upgrade your 5.x license keys). But like each new version you have to make some consideration first and especially before starting the upgrade procedure, so be sure to start from the vSphere Upgrade Center, the VMware Product Interoperability Matrix, the VMware Compatibility Guide, but also read the following notes.