There must be no running VMs on an ESXi host when you start the ESXi upgrade process.If an unsupported device is present, such as an old unsupported CPU or disk controller, the ESXi upgrade will not be applied to the server. The hardware of the server running ESXi 6.7 must be compatible with ESXi 7.0, that is, it must meet the hardware requirements for ESXi 7.0.DISCOVER SOLUTION ESXi Upgrade Requirements
