VmFaultToleranceStateChangedEvent
Summary
Fault tolerance state on the VM has changed.
Causes
The fault tolerance state of the VM has changed to one of the following: needsSecondary, disabled, notConfigured, enabled or running.
Resolution
Check other events for the virtual machine to get detailed information. Use VMware vSphere Client to check the cause of the fault tolerance status change and take the necessary actions.
External
Refer to this VMware KB article for more information about the fault tolerance state change.