Nessus Agents can be in one of the following statuses:
The host that contains the Nessus Agent is currently connected and in communication with Nessus Manager.
|Offline||The host that contains the Nessus Agent is currently powered down or not connected to a network.|
The Nessus Agent is in the process of checking in with Nessus Manager.
The agent is in an unlinked state.
Agents with this status are only present if Track unlinked agents is enabled.
Note: Agents that are automatically unlinked via the Unlink inactive agents after X days setting can automatically relink to Nessus Manager if they come back online. Agents that are manually unlinked must be manually relinked.