SAP Knowledge Base Article - Preview

1779237 - MessagingSystem/receive/AFW/XI is temporary unavailable


  • Messages being sent from the Integration Engine to the Adapter Engine fail with the following error which is displayed in the 'Detail' view of the 'Monitor for Processed XML Messages (i.e., Transaction Code SXI_MONITOR),


Error while sending by HTTP (error code: 503 , error text: Service
Unavailable) (See attachment HTMLError for details)".
Error: The server connection 'AFW' is is temporary unavailable


  • Sender systems sending messages to Sender Adapters' using the HTTP transport protocol (e.g., SOAP, HTTP) experience timeouts and/or HTTP 500 Internal Server Error responses.



  • PI Release Independent
  • SAP NetWeaver
  • SAP Process Integration


SAP NetWeaver all versions ; SAP Process Integration all versions


CLIENT_SEND_FAILED, FCAServerThreadCount, FCA, HTTP Worker thread, Process Integration 7.0, PI 7.0, PI 7.01, PI 7.02, 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, SMQ2, backlog , KBA , BC-XI-CON-AFW , J2EE Adapter Framework , BC-XI-CON-MSG , Messaging System , Problem

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.