How To Fix RSEC309 - Maintenance of user &1 is locked by another user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSEC -

• Message number: 309

• Message text: Maintenance of user &1 is locked by another user &2

What causes this issue?

Only one user is allwed to maintain a user master record or the
authorizations for analysis and reporting at a time.

System Response

The user is edited in either the standard NetWeaver user maintenance or
the user maintenance for analysis authorizations.

How to fix this error?

Try again when the other use &v2& has finished editing.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSEC309 - Maintenance of user &1 is locked by another user &2 ?

  The SAP error message RSEC309 indicates that the maintenance of a user (identified by &1) is currently locked by another user (identified by &2). This typically occurs in the context of user administration, particularly when multiple administrators are trying to edit the same user profile or authorization data simultaneously.
  Cause:
  
  Concurrent Access: The most common cause of this error is that another user is currently editing the same user profile or authorization data. SAP locks the user record to prevent conflicting changes.
  Session Timeout: If a user has an open session that has not been properly closed, it may still hold a lock on the user profile.
  System Issues: Occasionally, system issues or bugs can lead to locks not being released properly.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user to finish their changes and then try again. You can check with the other user to see if they are done.
  Identify the Lock: Use transaction code SM12 to view and manage locks. You can search for the user ID that is holding the lock (user &2) and see if it is still active.
  Release the Lock: If you have the necessary authorizations, you can manually release the lock in transaction SM12. However, be cautious when doing this, as it may lead to data inconsistencies if the other user is still making changes.
  Check for Background Jobs: Sometimes, background jobs may also hold locks. Ensure that no background processes are running that could be affecting the user profile.
  Contact Basis Team: If the issue persists or if you are unsure about releasing locks, it may be best to contact your SAP Basis team for assistance.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: To view and manage locks.
  SU01: To maintain user profiles.
  SU10: To maintain multiple user profiles.
  
  
  User Locking Mechanism: SAP uses a locking mechanism to ensure data integrity during concurrent access. Understanding how this works can help in troubleshooting similar issues in the future.
  Authorization Issues: Ensure that you have the necessary authorizations to perform user maintenance tasks, as lack of permissions can also lead to issues.
  
  By following these steps, you should be able to resolve the RSEC309 error and continue with your user maintenance tasks.