How To Fix WU831 - No resources are available for parallel processing

SAP Error Message - Details

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 831

• Message text: No 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 WU831 - No resources are available for parallel processing ?

  The SAP error message WU831 ("No resources are available for parallel processing") typically occurs when the system is unable to allocate the necessary resources to execute a task in parallel. This can happen in various scenarios, such as during batch processing, background jobs, or when executing certain transactions that require parallel processing capabilities.
  Causes:
  
  Insufficient Background Processing Capacity: The system may not have enough background work processes available to handle the parallel requests.
  Configuration Issues: The configuration settings for parallel processing may not be set correctly, leading to resource allocation problems.
  System Load: High system load or resource contention can lead to a situation where there are no available resources for parallel processing.
  Job Scheduling Conflicts: If multiple jobs are scheduled to run at the same time, it may exhaust the available resources.
  Memory Limitations: The system may be running low on memory, which can affect its ability to allocate resources for parallel processing.
  
  Solutions:
  
  
  Check Background Process Configuration:
  
  Go to transaction RZ10 or RZ12 to check the configuration of background processes. Ensure that the number of background work processes is sufficient for your workload.
  You can increase the number of background work processes in the instance profile.
  
  
  
  Monitor System Load:
  
  Use transaction SM50 or SM66 to monitor the current workload and see if there are any long-running processes that are consuming resources.
  If the system is under heavy load, consider scheduling jobs during off-peak hours.
  
  
  
  Adjust Job Scheduling:
  
  Review the job scheduling in transaction SM37 to identify any overlapping jobs that may be causing resource contention.
  Stagger the execution of jobs to ensure that they do not compete for the same resources.
  
  
  
  Increase Memory Allocation:
  
  If the system is low on memory, consider increasing the memory allocation for the SAP instance. This can be done in the instance profile settings.
  
  
  
  Check for Errors in Logs:
  
  Review the system logs (transaction SM21) and developer traces (transaction ST22) for any related errors that might provide more context on the issue.
  
  
  
  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:
  
  SM50 / SM66: Monitor work processes.
  SM37: Job monitoring.
  RZ10 / RZ12: Profile parameters.
  ST22: Dump analysis.
  SM21: System log.
  
  
  
  SAP Documentation: Refer to the official SAP documentation for more detailed information on configuring background processing and managing system resources.
  
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.