SAP Knowledge Base Article - Preview



During SOAP communication, one (or both) of the following error messages occurs:

  • ABAP.PRX_PROTO_NOT_SUPPORTED Proxy protocol due to invalid destination is not available. Please check the configuration of the logical port,
  • Exception CX_AI_SYSTEM_FAULT was raised.



  • PI Release Independent
  • SAP Process Integration
  • ABAP Web Services
  • SAP NetWeaver
  • SAP Web Application Server for SAP S/4HANA
  • ABAP PLATFORM - Application Server ABAP


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


invalid destination, configuration of logical port, Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Orchestration 7.40, PI 7.40, PO 7.40, Process Orchestration 7.50, PI 7.50, PO 7.50, NetWeaver, XI, Web Service interface, SE80, Consumer proxy, Webservices, Web Service, Webservices, Web Services, ESI_STD, ABAP.PRX_PROTO_NOT_SUPPORTED, CX_AI_SYSTEM_FAULT, , KBA , BC-ESI-WS-ABA-CFG , WebServices ABAP Configuration , BC-XI-IS , Integration Server , Problem

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