How To Fix BT841 - Invalid resource values: Max. WP = &, free WP = &

SAP Error Message - Details

• Message type: E = Error

• Message class: BT - Background processing messages

• Message number: 841

• Message text: Invalid resource values: Max. WP = &, free WP = &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BT841 - Invalid resource values: Max. WP = &, free WP = & ?

  The SAP error message BT841, which states "Invalid resource values: Max. WP = &, free WP = &," typically relates to issues with the work process (WP) configuration in the SAP system. This error indicates that the system is unable to allocate a work process due to invalid or insufficient resource values.
  Cause:
  
  Configuration Issues: The maximum number of work processes (Max. WP) configured in the system is either set incorrectly or is not aligned with the available resources.
  Resource Exhaustion: The system may have reached its limit for the number of work processes that can be allocated, leading to a situation where no free work processes are available.
  System Load: High system load or a spike in user activity can lead to all work processes being occupied, resulting in no free work processes.
  Background Jobs: If there are many background jobs running, they may consume all available work processes.
  System Configuration: The instance profile settings may not be optimized for the current workload.
  
  Solution:
  
  
  Check Configuration: Review the instance profile settings in the SAP system. Ensure that the maximum number of work processes is set appropriately based on the system's hardware capabilities and expected workload.
  
  You can check the parameters rdisp/wp_no_dia, rdisp/wp_no_btc, etc., in the instance profile.
  
  
  
  Monitor Work Processes: Use transaction codes like SM50 (for dialog work processes) and SM66 (for global work processes) to monitor the status of work processes. Identify if any processes are stuck or consuming resources unnecessarily.
  
  
  Adjust Work Process Configuration: If necessary, increase the number of work processes in the instance profile. This can be done by modifying the parameters mentioned above and restarting the instance.
  
  
  Analyze Background Jobs: Check for any long-running or stuck background jobs using transaction SM37. If there are jobs that are not completing, consider terminating them if they are not needed.
  
  
  System Performance Tuning: Consider tuning the overall system performance. This may involve optimizing database performance, adjusting memory settings, or scaling hardware resources.
  
  
  Restart the Instance: In some cases, a simple restart of the SAP instance can help clear up any temporary issues with work process allocation.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to work process configuration and performance tuning for specific guidance and best practices.
  SAP Documentation: Refer to the official SAP documentation for detailed information on configuring work processes and system performance optimization.
  Monitoring Tools: Utilize SAP Solution Manager or other monitoring tools to keep track of system performance and resource utilization.
  
  By following these steps, you should be able to resolve the BT841 error and ensure that your SAP system is configured to handle the expected workload effectively.