On 10.5.2, there is a redesign on metadata that has implication on displaying inactive metric nodes on the Investigator tree.
On 10.5.2, why do the metric data nodes on the Investigator tree disappear, instead of being greyed out, when an agent is disconnected?
Right clicking on the agent node reveals the options: 'hide inactive metrics' and 'show'. 'hide inactive metrics' is the default value. If user selects "show", it will bring back the greyed out metric data nodes.