Using vSphere HA Orchestrated Restart an administrator places the most mission critical VM in the highest priority. After a host failure, the highest priority VM fails to restart while VMs in high priority restart.
What would cause this to occur?
A . VMware Tools is not installed.
B . Proactive HA is disabled.
C . There are insufficient cluster resources.
D . Performance degradation VMs tolerate threshold is at default.
Answer: A