Reading Time: 3 minutes Starting with vSphere 5.1 the VMware Tools upgrade procedure does not require a reboot, but is not always true… for example the vCenter Server or VM with database servers usually imply a reboot (and same happen if you have a version upgrade, like from vSphere 5.1 to 5.5). Anyway, when VMware Tools are installed and managed (so not the 3rd part of them, used in some virtual appliance), you can use automatic upgrade, that may imply or not (depending on the previous note) a reboot of the Windows guests. Automatic upgrade could be manually (launched by the operator) […]