How To Fix ESH_ADAPT_MSG055 - RFC destination &1 is locked by another user. Deletion not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_ADAPT_MSG - Adapter Messages

• Message number: 055

• Message text: RFC destination &1 is locked by another user. Deletion not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_ADAPT_MSG055 - RFC destination &1 is locked by another user. Deletion not possible ?

  The SAP error message ESH_ADAPT_MSG055 indicates that a specific RFC (Remote Function Call) destination is locked by another user, which prevents the deletion of that destination. This can occur in various scenarios, particularly when multiple users or processes are trying to access or modify the same RFC destination simultaneously.
  Cause:
  
  Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If one user is currently using or modifying the RFC destination, it will be locked for other users.
  Long-Running Transactions: If a transaction that involves the RFC destination is taking a long time to complete, it may hold the lock longer than expected.
  User Sessions: Sometimes, a user may have multiple sessions open, and one of those sessions may be holding the lock.
  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 or process to complete their transaction and then try to delete the RFC destination again.
  Identify the Lock:
  
  Use transaction SM12 to check for locks. You can see which user is holding the lock on the RFC destination.
  If you have the necessary authorizations, you can unlock the entry from this transaction.
  
  
  Check Active Sessions: Use transaction SM04 to see active user sessions and identify if the user holding the lock is still active.
  Contact the User: If you identify the user holding the lock, you can contact them to see if they can release the lock.
  System Administrator: If you are unable to resolve the issue, contact your SAP Basis administrator. They can help investigate further and may have the ability to forcibly release the lock if necessary.
  
  Related Information:
  
  RFC Destinations: These are configurations in SAP that define how to connect to other SAP systems or external systems. They are crucial for communication between different systems.
  Lock Management: Understanding how SAP handles locks can help in troubleshooting similar issues in the future. Locks are typically managed through the database and can be viewed in various transactions.
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM04: To view active user sessions.
  SE37: To check the function module associated with the RFC destination if needed.
  
  
  
  By following these steps, you should be able to resolve the issue related to the locked RFC destination.