Throughout the service, colored icons indicate path status:

OK 50x50_trans.png
The target is responding to test packets, and the path is not violating any alert thresholds.
Violation 50x50_trans.png
The target is responding to test packets, but the path is violating one or more alert thresholds.
Diagnostic 50x50_trans.png
AppNeta Performance Manager (APM) is running a diagnostic on the path.
Connection lost 50x50_trans.png
The path target is not responding to test packets, i.e., 100% packet loss.
Unknown 50x50_trans.png
The path status is unknown. This could be because the source appliance is offline, a path attribute has changed and more data must be collected so that performance can be assessed, or the target hostname cannot be resolved.
Disabled 50x50_trans.png
Monitoring is disabled on the path.
Unlicensed 50x50_trans.png
The path source is not licensed; either the APM base license or an add-on license must have expired.