You see that Enqueue replication server (ERS) is not connecting with Standalone Enqueue Server (ENSA) even though the profile parameters enque/serverhost and enque/serverinst (or enque/encni/repl_port) specify the right connection data to ENSA.
You can see below information in the trace file dev_enqrepl under ASCS/SCS (ENSA) work directory:
[Thr 140388031239232] Connect received, but already connected
[Thr 140388031239232] Connect from host <hostname>
You can see error as below in the trace file dev_enrepsrv available in ERS work directory:
[Thr 139899880748864] Fri Nov 2 17:38:22 2018
SAP Netweaver with ERS and ENSA running.
doesn't connect, enserver, enrepserver, fail, ERS not working, High Availability, failover, replication , KBA , BC-CST-EQ , Enqueue , Problem
About this pageThis is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP ONE Support launchpad (Login required).
Search for additional results
Visit SAP Support Portal's SAP Notes and KBA Search.