How To Fix CNV_DMC_WDA116 - The specified number of data transfer jobs exceeds the system limit: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_WDA - Messages used in WDA UI

• Message number: 116

• Message text: The specified number of data transfer jobs exceeds the system limit: &1

&Diagnose&
The specified number of data transfer jobs exceeds the maximum number of
batch jobs configured for the system. This may have a negative impact on
the performance of the data transfer. We recommend using no more than
&V1& data transfer jobs.

System Response

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?

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_DMC_WDA116 - The specified number of data transfer jobs exceeds the system limit: &1 ?

  The SAP error message CNV_DMC_WDA116 indicates that the number of data transfer jobs you are trying to execute exceeds the system limit set for your SAP environment. This error typically occurs during data migration processes, especially when using the SAP Data Migration Cockpit or similar tools.
  Cause:
  The error is caused by attempting to initiate more data transfer jobs than the system is configured to handle simultaneously. Each SAP system has a limit on the number of background jobs that can run at the same time, and exceeding this limit will trigger this error.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Current Background Job Limit:
  
  Use transaction code SM37 to check the current background jobs running in the system. This will help you understand how many jobs are currently active.
  
  
  
  Adjust Job Limit Settings:
  
  You can adjust the maximum number of background jobs allowed in the system. This can be done by modifying the profile parameters. The relevant parameter is usually rdisp/wp_no_btc (which defines the number of background work processes).
  To change this, you can use transaction RZ10 to edit the instance profile and increase the value of rdisp/wp_no_btc. After making changes, you will need to restart the SAP instance for the changes to take effect.
  
  
  
  Reduce Concurrent Jobs:
  
  If increasing the limit is not feasible, consider reducing the number of concurrent data transfer jobs you are trying to run. You can do this by scheduling jobs to run sequentially rather than simultaneously.
  
  
  
  Monitor System Performance:
  
  Keep an eye on system performance when increasing the number of jobs. Too many concurrent jobs can lead to performance degradation.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that might provide additional guidance or updates related to this error. You can search for notes in the SAP Support Portal.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM37: Monitor background jobs.
  RZ10: Change profile parameters.
  RZ11: Display or change profile parameters dynamically.
  
  
  
  SAP Documentation: Refer to the official SAP documentation for more details on background processing and job management.
  
  
  Performance Considerations: Always consider the overall system performance and workload when adjusting job limits or running multiple data transfer jobs.
  
  
  By following these steps, you should be able to resolve the CNV_DMC_WDA116 error and successfully manage your data transfer jobs within the SAP system limits.