How To Fix MW828 - No free resources are available for parallel processing

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 828

• Message text: No free resources are available for parallel processing

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MW828 - No free resources are available for parallel processing ?

  The SAP error message MW828 ("No free resources are available for parallel processing") typically occurs when the system is unable to allocate resources for parallel processing tasks. This can happen in various scenarios, such as during batch processing, data uploads, or when executing certain transactions that require parallel processing capabilities.
  Causes:
  
  Resource Limitations: The system may have reached its limit for parallel processing resources. This can be due to configuration settings or the current load on the system.
  Configuration Settings: The settings for parallel processing in the SAP system may not be optimized or may be set too low.
  System Load: High system load or contention for resources can lead to this error, especially if many users or processes are trying to execute parallel tasks simultaneously.
  Background Job Configuration: If background jobs are not configured correctly, they may consume all available resources, leaving none for new parallel processing requests.
  
  Solutions:
  
  Check System Load: Monitor the system load and performance. If the system is under heavy load, consider scheduling jobs during off-peak hours or optimizing existing jobs.
  Adjust Parallel Processing Settings: Review and adjust the settings for parallel processing in the SAP system. This can be done in transaction codes like RZ10 (for profile parameters) or RZ12 (for instance parameters).
  
  Look for parameters such as rdisp/wp_no_dia (number of dialog work processes) and rdisp/wp_no_btc (number of background work processes) and adjust them as necessary.
  
  
  Increase Resources: If possible, increase the number of available resources (e.g., adding more application servers or increasing the capacity of existing servers).
  Review Background Jobs: Check the status of background jobs using transaction SM37. If there are jobs that are taking too long or are stuck, consider terminating them or optimizing their performance.
  SAP Notes: Check for any relevant SAP Notes that may address this issue. Sometimes, specific patches or updates can resolve underlying problems related to resource allocation.
  Consult Basis Team: If the issue persists, consult your SAP Basis team for further analysis and assistance. They can provide insights into system performance and configuration.
  
  Related Information:
  
  Transaction Codes: 
  
  SM37: Monitor background jobs.
  RZ10: Change profile parameters.
  RZ12: Display instance parameters.
  
  
  SAP Documentation: Refer to SAP Help Portal for detailed documentation on parallel processing and system performance tuning.
  Performance Monitoring Tools: Utilize tools like ST03N (Workload Analysis) and ST06 (Operating System Monitor) to analyze system performance and identify bottlenecks.
  
  By following these steps, you should be able to diagnose and resolve the MW828 error effectively.