Enabling EVC (Enhanced VMotion Compatibility): Chapter 7 - Part 2
[Audience: Advanced]
EVC stands for Enhanced VMotion Compatability. This system creates a baseline from your ESX hosts to make sure incompatabile ESX host cannot be added to the cluster – it can also downgrade the CPU spec of modern ESX host with the latest CPUs (such as Intel FlexMigrate) forcing them to be compatible with older ESX hosts.