Product : VMware, vSphere/6.5, vSphere Standard
Feature : Application/Service HA, HA/DR, VM Mobility and HA
Content Owner:  Roman Macek
Summary
No
Details
vSphere 6.5 Proactive HA detect hw condition evacuate host before failure (plugin provided OEM vendors)
Quarantine mode - host is placed in quarantine mode if it is considered in degraded state
Simplified vSphere HA Admission Control - "Percentage of Cluster Resources" admission control policy

VMware HA restarts virtual machines according to defined restart priorities and monitors capacity needs required for defined level of failover.