vSphere Proactive HA is not a service of vSphere HA but rather a hardware monitoring feature that is available only when vSphere HA is enabled (as described in Chapter 19).
In this chapter, we will discuss the features and benefits of Proactive HA, how it works, and how you can use it to keep your virtual infrastructure up and running.
20.1 What Is vSphere Proactive HA?
vSphere Proactive HA is a feature that provides enhanced high availability protection for virtual machines by monitoring the health ...