Technical Tip Description:
Prior to Spectrum 10.0, alarms (most commonly, PHYSICAL HOST DOWN alarms) continue to generate on VMware ESX Host models (model type VMwareESXHost 0x56e0029) even when the isManaged attribute is set to No. Note that the "In Maintenance" option is missing from the model information view.
Prior to Spectrum 10.0, maintenance mode intelligence was not applied to VMware ESX Host models. Maintenance mode functionality was actually introduced in Spectrum 10.0.