How To Fix IU630 - Selected maximum number of background processes saved

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 630

• Message text: Selected maximum number of background processes saved

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 IU630 - Selected maximum number of background processes saved ?

  The SAP error message IU630, which states "Selected maximum number of background processes saved," typically occurs when the system has reached the limit of background processing jobs that can be executed simultaneously. This can happen in various scenarios, such as during batch processing or when multiple background jobs are scheduled to run at the same time.
  Cause:
  
  Maximum Background Processes Reached: The system has a predefined limit on the number of background processes that can run concurrently. If this limit is reached, additional jobs cannot be started until some of the existing jobs complete.
  Configuration Settings: The configuration settings for background processing may not be optimized for the workload, leading to bottlenecks.
  Long-Running Jobs: If there are long-running background jobs, they can occupy the available slots, preventing new jobs from starting.
  System Resource Limitations: Insufficient system resources (CPU, memory) can also lead to delays in job processing.
  
  Solution:
  
  Check Background Job Status: Use transaction code SM37 to monitor the status of background jobs. Identify any jobs that are running longer than expected and analyze their logs for issues.
  Increase Background Process Limit: If necessary, you can increase the number of background processes allowed. This can be done in the SAP system profile parameters:
  
  Go to transaction RZ10 to edit the instance profile.
  Look for the parameter rdisp/wp_no_btc and increase its value to allow more background work processes.
  Save and activate the changes, and restart the instance for the changes to take effect.
  
  
  Optimize Job Scheduling: Review the scheduling of background jobs to avoid peak loads. Stagger job execution times to ensure that they do not all start at once.
  Analyze Job Performance: Investigate the performance of individual jobs. If certain jobs are consistently taking too long, consider optimizing them or breaking them into smaller, more manageable tasks.
  System Resource Monitoring: Monitor system resources to ensure that the server has adequate CPU and memory available for processing background jobs. Consider upgrading hardware if necessary.
  
  Related Information:
  
  Transaction Codes:
  
  SM37: Monitor background jobs.
  RZ10: Change profile parameters.
  SM66: Monitor global work processes.
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to background processing issues.
  Documentation: Refer to SAP Help documentation for detailed information on background processing and performance tuning.
  
  By following these steps, you should be able to resolve the IU630 error and optimize your background processing in SAP.