How To Fix CNV_MBT472 - User locking processes started in the background

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 472

• Message text: User locking processes started in the background

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT472 - User locking processes started in the background ?

  The SAP error message CNV_MBT472, which indicates that "User locking processes started in the background," typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error suggests that there are background processes that are locking the user or the resources needed for the migration task.
  Causes:
  
  Background Jobs: There may be background jobs running that are locking the user or the resources required for the migration process.
  Long-Running Transactions: If there are long-running transactions or processes that have not been completed, they can hold locks on the database or application objects.
  User Locking Mechanism: SAP has a user locking mechanism to prevent multiple processes from modifying the same data simultaneously. If a user is already engaged in a process, it can lead to this error.
  System Configuration: Certain configurations or settings in the SAP system may lead to unexpected locking behavior.
  
  Solutions:
  
  Check Background Jobs: Use transaction code SM37 to check for any background jobs that might be running and causing locks. If you find any, you may need to wait for them to complete or terminate them if they are not needed.
  Monitor Active Sessions: Use transaction code SM04 to monitor active user sessions. Identify if the user is locked due to another session and take appropriate action.
  Review Long-Running Transactions: Identify and resolve any long-running transactions that may be holding locks. You can use transaction code SM66 to monitor global work processes.
  User Lock Release: If a user is locked, you can release the lock using transaction code SU01 (User Maintenance) and then navigate to the "User Lock" tab to unlock the user.
  Retry the Migration Process: After resolving any locking issues, retry the migration process to see if the error persists.
  System Restart: In some cases, a system restart may be necessary to clear any lingering locks, but this should be done with caution and typically as a last resort.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to this error.
  Documentation: Review the official SAP documentation for the migration tool you are using to ensure that you are following the recommended procedures.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.