How To Fix DMCLG606 - The number of jobs scheduled exceeds number of background processes

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 606

• Message text: The number of jobs scheduled exceeds number of background processes

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMCLG606 - The number of jobs scheduled exceeds number of background processes ?

  The SAP error message DMCLG606 indicates that the number of jobs scheduled in the system exceeds the number of available background processes. This can lead to delays in job execution and may cause some jobs to remain in a waiting state.
  Cause:
  
  Excessive Job Scheduling: Too many jobs have been scheduled at the same time, surpassing the limit of available background processes.
  Limited Background Processes: The configuration of the SAP system may have a limited number of background processes defined, which can be insufficient for the workload.
  Long-Running Jobs: If there are jobs that take a long time to complete, they can occupy background processes and prevent new jobs from starting.
  System Configuration: The system parameters for background processing may not be optimized for the current workload.
  
  Solution:
  
  
  Increase Background Processes:
  
  You can increase the number of background processes in the SAP system. This can be done by adjusting the instance profile parameters.
  Go to transaction RZ10 to edit the instance profile and modify the parameter rdisp/wp_no_btc to increase the number of background work processes.
  After making changes, restart the SAP instance for the changes to take effect.
  
  
  
  Review Scheduled Jobs:
  
  Use transaction SM37 to monitor and review scheduled jobs. Identify any jobs that are taking too long or are stuck.
  Consider rescheduling or optimizing long-running jobs to free up background processes.
  
  
  
  Optimize Job Scheduling:
  
  Stagger job scheduling to avoid peak loads. Schedule jobs during off-peak hours when fewer background processes are in use.
  Use job variants and dependencies to manage job execution more effectively.
  
  
  
  Check for Errors:
  
  Ensure that there are no errors in the jobs that could be causing them to hang or run indefinitely.
  
  
  
  System Performance:
  
  Monitor system performance and resource utilization. If the system is under heavy load, consider scaling up resources or optimizing existing processes.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM37: Job Monitoring
  RZ10: Profile Maintenance
  SM50: Work Process Overview
  SM66: Global Work Process Overview
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to background processing issues.
  
  
  Documentation: Refer to SAP documentation for best practices on job scheduling and background processing configuration.
  
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the DMCLG606 error and improve the efficiency of job processing in your SAP system.