How To Fix SEPMH_DG064 - Severe error - no free RFC Task ID available

SAP Error Message - Details

• Message type: E = Error

• Message class: SEPMH_DG - EPM HANA DG - Messages

• Message number: 064

• Message text: Severe error - no free RFC Task ID available

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SEPMH_DG064 - Severe error - no free RFC Task ID available ?

  The SAP error message SEPMH_DG064, which indicates a "Severe error - no free RFC Task ID available," typically occurs in the context of Remote Function Call (RFC) processing. This error suggests that the system has run out of available RFC task IDs, which are necessary for executing remote function calls.
  Causes:
  
  Exhaustion of RFC Task IDs: The system has a limited number of RFC task IDs available for processing requests. If all available task IDs are in use, new requests cannot be processed.
  Long-Running Processes: If there are long-running RFC calls that are not completing, they may hold onto task IDs longer than expected.
  Configuration Issues: The configuration settings for the number of RFC tasks may be set too low for the volume of requests being processed.
  System Performance Issues: High system load or performance bottlenecks can lead to delays in processing RFC calls, causing task IDs to be held longer than necessary.
  
  Solutions:
  
  
  Increase the Number of RFC Task IDs:
  
  You can increase the number of available RFC task IDs in the SAP system profile parameters. Look for the parameter rfc/max_active and increase its value. This change requires a system restart to take effect.
  
  
  
  Monitor and Optimize Long-Running RFC Calls:
  
  Identify any long-running RFC calls and optimize them. This may involve reviewing the code, optimizing database queries, or improving the logic to reduce execution time.
  
  
  
  Check System Performance:
  
  Monitor system performance to identify any bottlenecks. Use transaction codes like ST03N (Workload Analysis) and ST22 (Dump Analysis) to analyze performance issues and system dumps.
  
  
  
  Review Background Jobs:
  
  Check for background jobs that may be consuming RFC resources. Ensure that they are running efficiently and not causing unnecessary delays.
  
  
  
  Restart the SAP System:
  
  If the issue persists and you cannot identify the cause, a system restart may help clear any stuck processes and free up RFC task IDs.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SM50 (Process Overview) and SM66 (Global Process Overview) to monitor active processes and identify any that may be causing issues.
  SAP Basis Team: If you are not a Basis administrator, it may be necessary to involve your SAP Basis team to make configuration changes or perform system monitoring.
  Documentation: Refer to SAP documentation for detailed information on RFC configuration and performance tuning.
  
  By following these steps, you should be able to diagnose and resolve the SEPMH_DG064 error effectively.