There are many ways to upgrade VMware ESXi Hypervisor. Depending on whether the host is part of a cluster or not, managed via vCenter server or standalone host. Also, you might consider different scenario if you have 2-3 hosts to upgrade or if you need to upgrade 25 hosts or more. So it depends on use. […] Read the full post How to upgrade a ESXi 6.0 to ESXi 6.5 via VMware Update Manager at ESX Virtualization .
One of the methods of upgrading VMware ESXi 6.0 to 6.5 is via ISO (or CD-Rom). Most of you probably don’t use much CD-ROMs and CDs, but servers, especially in small client’s environments usually don’t have KVM, iPMI, ILO, Drac… so one of the options is still to upgrade via CD-ROM.