3757532 - Introscope Enterprise Manager heartbeat status is RED in SAP Focused RUN 'Self Monitoring'

• In SAP Focused RUN 'Self Monitoring', the Enterprise Manager heartbeat status shows as missing
• In the SapDpcPush.log file there are error messages like:

[INFO] [Manager.SapPush.HRP] response body: RC=1;Agent 005056B6D2CE1EECB5C0AD0E8EBC9626 not registered.

[ERROR] [Manager.SapPush.HRP] failed to push 4208 metrics
com.sap.introscope.em.push.PushException: push failed to url https://host:4300/sap/srsm_mai/push_metrics: httpStatusCode=400 responseMessage=HTTP standard status code
    at com.sap.introscope.em.push.rest.RestDpcPushClient.executePush(RestDpcPushClient.java:236)
    at com.sap.introscope.em.push.queue.MetricQueue$QueueRunner.run(MetricQueue.java:62)
    at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
    at java.base/java.util.concurrent.FutureTask.runAndReset(Unknown Source)
    at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.base/java.lang.Thread.run(Unknown Source)

• SAP Focused Run 5.0
• Introscope Enterprise Manager (EM) 10.8

introscope, enterprise manager, heartbeat missing, focused run, frun, mai, dpc push, push_metrics, http 400, agent not registered, smdagent.name, e2emai.properties, system monitoring, data supplier, self monitoring , KBA , SV-FRN-INF-MAI , FRUN: Monitoring and Application Infrastructure (MAI) , Known Error