How To Fix DB6PM035 - Action '&1' already locked by user '&2', no maintenance possible

SAP Error Message - Details

• Message type: E = Error

• Message class: DB6PM - DB2 UDB for UNIX, Windows: Performance Monitoring

• Message number: 035

• Message text: Action '&1' already locked by user '&2', no maintenance possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB6PM035 - Action '&1' already locked by user '&2', no maintenance possible ?

  The SAP error message DB6PM035 indicates that a specific action (denoted by &1) is currently locked by another user (denoted by &2), which prevents any maintenance operations from being performed on that action. This is typically related to database management tasks or maintenance activities in SAP systems.
  Cause:
  
  
  Concurrent Access: The most common cause of this error is that another user or process is currently performing an operation that locks the resource you are trying to access. This could be due to:
  
  A long-running transaction or maintenance task.
  A user who has initiated a process and has not yet completed it.
  A system process that is holding a lock on the database.
  
  
  
  Locking Mechanism: SAP uses a locking mechanism to ensure data integrity and prevent conflicts when multiple users or processes attempt to access the same resource simultaneously.
  
  
  Solution:
  
  
  Wait and Retry: The simplest solution is to wait for the other user or process to complete their action. Once the lock is released, you can attempt your action again.
  
  
  Identify the Locking User: If you have the necessary permissions, you can identify the user or process that is holding the lock. You can do this by:
  
  Using transaction codes like SM12 (to view and manage locks) or SM21 (to check system logs).
  Checking the database or application logs for more details on the locking process.
  
  
  
  Terminate the Lock: If the locking process is stuck or taking too long, and you have the appropriate authorizations, you may consider terminating the session or process that is holding the lock. This can be done through:
  
  Transaction SM50 (to monitor and manage work processes).
  Transaction SM66 (to monitor all active processes in the system).
  
  
  
  Contact System Administrator: If you are unable to resolve the issue yourself, it may be necessary to contact your SAP Basis administrator or support team for assistance. They can help identify the cause of the lock and take appropriate action.
  
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. Locks can be exclusive (preventing all other access) or shared (allowing read access but preventing write access).
  Performance Monitoring: Regular monitoring of system performance and user activities can help prevent locking issues from occurring frequently.
  Documentation: Refer to SAP documentation or support notes related to locking mechanisms and database maintenance for more detailed guidance.
  
  By following these steps, you should be able to address the DB6PM035 error and proceed with your maintenance tasks in SAP.