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3439515 - SAP Cloud Connector - RFC Connection Error to On-Premise SAP system

Symptom

RFC connection to on-prem is not working from SCC. On the SCC Trace the error below is visible:

MessageSccEndpointValidator connection to RFC://<HOST>:<PORT> as direct ABAP application server failedExceptioncom.sap.scc.jni.CpicCommunicationException:
LOCATION CPIC (TCP/IP) on local host
ERROR hostname '<HOST>' unknown
TIME <timestamp> 
RELEASE XXX
COMPONENT NI (network interface)
VERSION XX
RC -2
MODULE /bas/753_REL/src/base/ni/nixxhl.cpp
LINE 198
DETAIL NiHLGetNodeAddr: hostname cached as unknown
COUNTER 1


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Environment

SAP Cloud Connector

Keywords

DNS, hostname unknown, SCC, cloud connector, RFC, ABAP, backend, SNC , KBA , BC-MID-SCC , SAP Cloud Connector On-Demand/On-Premise Connectivity , Problem

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