An administrator needs to create an alarm to monitor when a specific ESXi host in an HA/DRS cluster becomes disconnected from other vSphere components like HA agents or the vCenter server. Which proce

Defining the alarm on a Host type object scopes it to the specific ESXi host in question rather than the entire cluster. The 'Cannot connect host' event is the precise trigger that fires when vSphere loses connectivity to the host from vCenter Server or HA agents, matching the described monitoring requirement exactly.

A Cluster type alarm applies to the cluster object as a whole, not to a specific host, so it cannot target an individual host's disconnection event.

A Cluster type alarm is the wrong object scope for monitoring a single host, and 'Host status changed' is a general condition that does not specifically capture the network or agent disconnection scenario described.

'Host status changed' is a broad condition that does not specifically indicate a host has lost connectivity to vCenter or HA agents; 'Cannot connect host' is the event that precisely maps to the described disconnection scenario.