How To Fix CNV_CDMC_CA272 - As there is no free background work process only one process is allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CDMC_CA - CDMC Clearing Analysis

• Message number: 272

• Message text: As there is no free background work process only one process is allowed

What causes this issue?

There is no free background work process available in the analysis
system.

System Response

In this case only one background work process can be used. Whenever a
background process becomes free in the Analysis System, it will be
utilized.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter background process to be used as 1.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CDMC_CA272 - As there is no free background work process only one process is allowed ?

  The SAP error message CNV_CDMC_CA272 indicates that there are no available background work processes in the SAP system, and as a result, only one process is allowed to run. This error typically occurs during data conversion or migration activities, particularly when using the SAP Conversion Tools.
  Cause:
  
  Insufficient Background Work Processes: The SAP system may not have enough background work processes configured. This can happen if the system is under heavy load or if the configuration is not optimized for the current workload.
  System Configuration: The number of background work processes may be set too low in the system profile.
  Long-running Jobs: There may be long-running background jobs that are occupying the available work processes, preventing new jobs from being started.
  System Resource Limitations: The server may be experiencing resource constraints (CPU, memory, etc.) that limit the ability to start new background processes.
  
  Solution:
  
  
  Check Background Work Process Configuration:
  
  Go to transaction RZ10 to check the instance profile settings.
  Look for the parameter rdisp/wp_no_btc which defines the number of background work processes. If it is set too low, consider increasing it.
  
  
  
  Monitor Background Jobs:
  
  Use transaction SM37 to monitor background jobs. Check for any jobs that are running for an extended period and may be blocking the work processes.
  If you find any jobs that can be terminated, you can do so to free up resources.
  
  
  
  Adjust System Load:
  
  If the system is under heavy load, consider scheduling non-critical jobs during off-peak hours to reduce the load on the background processes.
  
  
  
  Restart the SAP System:
  
  If the issue persists and you cannot identify any long-running jobs, a system restart may help to clear any stuck processes and free up the background work processes.
  
  
  
  Check System Resources:
  
  Ensure that the server has adequate resources (CPU, memory, etc.) to handle the workload. If necessary, consider upgrading the hardware or optimizing the system configuration.
  
  
  
  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:
  
  RZ10: Profile maintenance
  SM37: Job monitoring
  SM50: Process overview
  SM66: Global process overview
  
  
  
  SAP Documentation: Refer to the official SAP documentation for more details on configuring background processes and managing system performance.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to resolve the CNV_CDMC_CA272 error and ensure that your SAP system can handle background processing effectively.