How to Upgrade to ESXi 7.0 using VMware vSphere Lifecycle Manager (vLCM)
Read more/comment at https://TinkerTry.com/how-to-upgrade-from-vsphere-6-7-to-7
Formerly known as VUM – VMware Update Manager.
Now also known as vLCM – vSphere LifeCycle Manager.
See also vMiss Melissa’s original article that I refer to at https://vmiss.net/2018/04/19/how-to-upgrade-to-esxi-6-7-using-vmware-vsphere-update-manager/