How To Fix CNV_DMC_HC038 - Master job is not running; no configuration is active

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_HC -

• Message number: 038

• Message text: Master job is not running; no configuration is active

Self-Explanatory Message

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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 CNV_DMC_HC038 - Master job is not running; no configuration is active ?

  The SAP error message CNV_DMC_HC038 indicates that the master job for the Data Migration Cockpit (DMC) is not running, and there is no active configuration available for the data migration process. This error typically arises in the context of data migration projects, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools.
  Cause:
  
  Inactive Configuration: The most common cause is that the configuration for the data migration project has not been activated or is not properly set up.
  Job Not Started: The master job that is supposed to manage the data migration process has not been started or has failed to start.
  Authorization Issues: There may be insufficient authorizations for the user trying to execute the migration.
  Technical Issues: There could be underlying technical issues, such as system performance problems or configuration errors in the DMC.
  
  Solution:
  
  
  Activate Configuration:
  
  Go to the Data Migration Cockpit and check if the configuration for the migration project is active. If it is not, activate it.
  Ensure that all necessary settings and parameters are correctly configured.
  
  
  
  Start the Master Job:
  
  If the master job is not running, you may need to manually start it. This can usually be done from the DMC interface or through transaction codes related to job management (e.g., SM37 for job monitoring).
  Check the job logs for any errors that might indicate why the job is not running.
  
  
  
  Check Authorizations:
  
  Ensure that the user executing the migration has the necessary authorizations to run the DMC and access the required data.
  
  
  
  Review Logs and System Performance:
  
  Check the system logs (transaction SLG1) for any related error messages that could provide more context.
  Monitor system performance to ensure that there are no resource constraints affecting the job execution.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for the Data Migration Cockpit for any specific configuration steps or troubleshooting tips related to your version of SAP.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  LTMC: Data Migration Cockpit
  SM37: Job Monitoring
  SLG1: Application Log
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide patches related to the DMC.
  Community Forums: Engage with the SAP Community or forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the CNV_DMC_HC038 error and successfully proceed with your data migration tasks.