This rule collects this performance counter for reporting/troubleshooting purposes for the counter: PERF_EDGENET_E_CONNECTIONS_REFUSED_TO_OVERLOAD_SEC
The per-second rate of connections that were refused at the external edge with Service Unavailable (503) response because the server was overloaded.
This server is overloaded.
This might be a temporary condition. If the problem persists, please ensure that hardware and software requirements for this server meets the user usage characteristics.