2571987 - "Ping Channel" returns misleading error "Communication Failed" in Clustered PI System | SAP Knowledge Base Article

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2571987 - "Ping Channel" returns misleading error "Communication Failed" in Clustered PI System

Symptom

You are testing PI Communication Channel using "Ping Channel" button in Communication Channel Monitor.
Result shows "Communication failed" (red light) for some server nodes, and successful result (green light) for other server nodes.
While you have already checked in your cluster, and believe that all the server nodes should return same result. (e.g., target host/port is reachable from OS of all application server, firewall is not blocking any particular instance, etc)


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Environment

  • SAP NetWeaver Process Integration 7.1
  • SAP enhancement package 1 for SAP NetWeaver Process Integration 7.1
  • SAP NetWeaver 7.3
  • SAP enhancement package 1 for SAP NetWeaver 7.3
  • SAP NetWeaver 7.4
  • SAP NetWeaver 7.5

Product

SAP NetWeaver 7.0 ; SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP NetWeaver Process Integration 7.1 ; SAP NetWeaver Process Integration, business-to-business add-on 1.0 ; SAP NetWeaver Process Integration, connectivity add-on 1.0 ; SAP NetWeaver Process Integration, secure connectivity add-on 1.0 ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 1 for SAP NetWeaver Process Integration 7.1 ; SAP enhancement package 2 for SAP NetWeaver 7.0 ; SAP enhancement package 3 for SAP NetWeaver 7.0

Keywords

Ping Channel, communication failed, communication channel, cluster system, nwa, Process Integration 7.10, PI 7.10, Process Integration 7.11, PI 7.11, Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Orchestration 7.4, PI 7.4, PO 7.4, Process Orchestration 7.5, PI 7.5, PO 7.5, XI, AEX , KBA , BC-XI-CON-AFW , J2EE Adapter Framework , BC-NWA-XPI , Process Integration Monitoring , Problem

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