SAP Knowledge Base Article - Preview

3461920 - SNC RFC calls are failing after UCON is implemented

Symptom

  • SNC Calls for function modules are blocked despite the function module being assigned to the default communication assembly and in the final phase. 
  • Error message "RFC Rejected;CALLER_SID:<SYSTEMID> CALLER_CLIENT:<CLIENT> CPROG:<PROG> DEST:<DESTINATION> " 


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Environment

  • Middleware / Unified Connectivity tooling
  • SAP NetWeaver
  • SAP Web Application Server for SAP S/4HANA
  • ABAP PLATFORM - Application Server ABAP

Product

ABAP platform all versions ; SAP NetWeaver all versions ; SAP Web Application Server for SAP S/4HANA all versions

Keywords

RFC Rejected, SNC, SNC calls, blocked, final phase, CA, communication assembly, authorization test, UCON RFC Rejected , KBA , BC-MID-UCO , Unified connectivity tooling , Problem

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