How To Fix BGRFC452 - Destination &1 is locked

SAP Error Message - Details

• Message type: E = Error

• Message class: BGRFC - qRFC - New Background RFC

• Message number: 452

• Message text: Destination &1 is locked

What causes this issue?

The specified destination is locked.

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

System Response

How to fix this error?

Use transaction SBGRFCMON to release the destination again.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BGRFC452 - Destination &1 is locked ?

  The SAP error message BGRFC452 indicates that a destination in the background RFC (bRFC) is locked. This typically occurs when there is a problem with the communication between systems or when a destination is being used by another process and cannot be accessed.
  Cause:
  
  Locked Destination: The destination specified in the error message is locked, which means that it is currently being used by another process or transaction.
  Network Issues: There may be network connectivity issues that prevent the system from accessing the destination.
  Configuration Issues: Incorrect configuration of the RFC destination in the SAP system can lead to locking issues.
  Long-running Transactions: If a transaction is taking too long to complete, it may hold the lock on the destination longer than expected.
  
  Solution:
  
  
  Check Lock Status:
  
  Use transaction SM58 to check the status of the bRFC queues. Look for any entries that indicate a lock on the destination.
  You can also use transaction SMQ1 (for outbound queues) and SMQ2 (for inbound queues) to monitor the queues.
  
  
  
  Release the Lock:
  
  If you identify a transaction that is holding the lock, you may need to terminate it or wait for it to complete.
  You can also manually unlock the destination if it is safe to do so. This can be done using transaction SM12 to delete the lock entries.
  
  
  
  Check Configuration:
  
  Verify the configuration of the RFC destination in transaction SM59. Ensure that the destination is correctly set up and that the connection parameters are valid.
  
  
  
  Monitor System Performance:
  
  If long-running transactions are common, consider optimizing the processes or increasing system resources to handle the load better.
  
  
  
  Consult Logs:
  
  Check the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Restart the Application:
  
  In some cases, restarting the application or the relevant background jobs may help to clear the lock.
  
  
  
  Related Information:
  
  bRFC: Background Remote Function Call is a mechanism in SAP that allows asynchronous communication between different SAP systems or between different processes within the same system.
  Transaction Codes:
  
  SM58: Monitor and manage the bRFC queues.
  SMQ1/SMQ2: Monitor outbound and inbound queues.
  SM12: Display and delete lock entries.
  SM59: Maintain RFC destinations.
  SLG1: View application logs for error messages.
  
  
  
  If the issue persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or SAP support for further assistance.