Reading Time: 3 minutes The upgrade path to vSphere 5 is well described in the specific guide (vSphere Upgrade Guide) and in the vSphere Upgrade Best Practices white paper.. In some cases an in-place upgrade can be applied with the advantage to require less time and to keep all (or most) of the settings and configurations. For example, a vCenter Server 4.1 can be updated to the 5.0 version (the requirements of the two versions are quite the same) or an old ESXi can be updated to ESXi 5. But in most cases, also when the in-place upgrade is […]