VMware Overall health of system. One of the following:
- Gray: No health data is available for this service.
- Green: Service is healthy.
- Yellow: The service is in a healthy state, but experiencing some level of problems.
- Orange: The service health is degraded. The service might have serious problems.
- Red: The service is unavailable, not functioning properly, or will stop functioning soon.
- Not available: The health status is unavailable (not supported on the vCenter or ESXi side).