Failover causes in redundant AppEnginesSave PDFSave selected topicSave selected topic and subtopicsSave all topicsShareShare to emailCopy topic URLLast UpdatedAug 14, 20251 minute readHMI and SCADASystem PlatformSystem Platform 2023 R2 SP1 P03 This section describes failover triggers in a redundant AppEngine pair. Related LinksForcing failoverCommunication failure in the supervisory (primary) networkRMC communication failurePC failure