How To Fix XMS_ADM642 - Scheduling the XI message in qRFC failed with error '&1': "&2&3&4".

SAP Error Message - Details

• Message type: E = Error

• Message class: XMS_ADM - XMS - Administration

• Message number: 642

• Message text: Scheduling the XI message in qRFC failed with error '&1': "&2&3&4".

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message XMS_ADM642 - Scheduling the XI message in qRFC failed with error '&1': "&2&3&4". ?

  The SAP error message XMS_ADM642 indicates that there was a failure in scheduling an XI (Exchange Infrastructure) message in qRFC (queued Remote Function Call). This error can occur due to various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Possible Causes:
  
  Queue Issues: The qRFC queue might be locked or not available, preventing the message from being scheduled.
  Configuration Errors: There may be misconfigurations in the XI/PI settings or in the communication channels.
  Resource Limitations: System resource limitations, such as memory or processing power, could lead to failures in message processing.
  Network Issues: Problems with network connectivity between systems can cause failures in message scheduling.
  Message Format Issues: The message being sent may not conform to the expected format or may contain invalid data.
  Authorization Issues: The user or service account may not have the necessary permissions to execute the operation.
  
  Solutions:
  
  Check Queue Status: Use transaction SMQ1 (for outbound queues) or SMQ2 (for inbound queues) to check the status of the queues. Ensure that they are not locked or in an error state.
  Review Configuration: Verify the configuration of the XI/PI settings and communication channels. Ensure that all necessary parameters are correctly set.
  Monitor System Resources: Check system performance and resource usage. If the system is under heavy load, consider optimizing performance or increasing resources.
  Network Diagnostics: Test network connectivity between the involved systems. Use tools like ping or traceroute to diagnose any connectivity issues.
  Validate Message Content: Review the content of the message being sent. Ensure that it adheres to the expected schema and does not contain invalid data.
  Check Authorizations: Ensure that the user or service account has the necessary authorizations to perform the operation. Review roles and permissions in transaction PFCG.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SXMB_MONI (for monitoring messages), SMQ1/SMQ2 (for queue monitoring), and SXI_MONITOR (for integration monitoring).
  Logs and Traces: Check the application logs (transaction SLG1) and the integration engine logs for more detailed error messages that can provide additional context.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to this error message.
  Documentation: Review SAP documentation on XI/PI and qRFC for best practices and troubleshooting steps.
  
  By systematically checking these areas, you should be able to identify the root cause of the error and implement an appropriate solution.