SAP Knowledge Base Article - Preview

2987781 - RFC channel is failing with "lookup of alternativeServiceIdentifier via CPA-cache failed for channel"


You have configured an RFC Sender Channel to which connects to an ECC system. When processing a message in this scenario, the same is failing with error:

Catching lookup of alternativeServiceIdentifier via CPA-cache failed for channel '<communication channel>' (<ojectd id>, party '<party>', schema '<schema>', identifier '<SID#Client>')



  • SAP NetWeaver
  • SAP Process Integration


SAP NetWeaver all versions ; SAP Process Integration all versions


RFC, lookup, alternativeServiceIdentifier, CPA, cache, sender, RfcAFWException, Process Integration, PI, Process Orchestration, PO, NetWeaver, XI, AEX , KBA , BC-XI-CON-RFC , RFC Adapter , BC-XI-IBC , Integration Builder - Configuration , Problem

About this page

This 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.