How To Fix BGRFC801 - System error when creating enqueue lock for destination &1

SAP Error Message - Details

• Message type: E = Error

• Message class: BGRFC - qRFC - New Background RFC

• Message number: 801

• Message text: System error when creating enqueue lock for destination &1

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message BGRFC801 - System error when creating enqueue lock for destination &1 ?

  The SAP error message BGRFC801 indicates a system error that occurs when the system is unable to create an enqueue lock for a specified destination. This error is related to the background RFC (bRFC) mechanism in SAP, which is used for asynchronous communication between different SAP systems or between different processes within the same system.
  Causes of BGRFC801 Error
  
  Lock Table Issues: The enqueue lock table may be full or not functioning correctly, preventing new locks from being created.
  System Resource Limitations: Insufficient system resources (like memory or CPU) can lead to issues with creating locks.
  Configuration Issues: Incorrect configuration of the bRFC destination or the enqueue server can lead to this error.
  Network Issues: Problems with network connectivity between systems can also cause this error if the destination is remote.
  Database Issues: Problems with the underlying database can affect the ability to create locks.
  
  Solutions to BGRFC801 Error
  
  
  Check Lock Table:
  
  Use transaction SM12 to check the lock entries. If the lock table is full, you may need to delete unnecessary locks or increase the size of the lock table in the system profile.
  
  
  
  Monitor System Resources:
  
  Check system resources using transaction SM50 or SM66 to ensure that there are enough resources available. If the system is under heavy load, consider optimizing performance or scaling resources.
  
  
  
  Review bRFC Configuration:
  
  Verify the configuration of the bRFC destination using transaction SM59. Ensure that the destination is correctly set up and that the connection parameters are valid.
  
  
  
  Check for Network Issues:
  
  If the destination is a remote system, ensure that there are no network issues preventing communication. You can use tools like ping or traceroute to diagnose connectivity problems.
  
  
  
  Database Health Check:
  
  Check the health of the database using transaction DB02 or similar tools. Ensure that there are no locks or performance issues at the database level.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction SM21) for any related error messages that might provide additional context for the issue.
  
  
  
  Restart the Enqueue Server:
  
  If the issue persists, consider restarting the enqueue server. This can sometimes resolve transient issues.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches or updates.
  
  
  
  Related Information
  
  bRFC: Background Remote Function Call is a mechanism in SAP that allows for asynchronous communication between different processes or systems.
  Enqueue Mechanism: This is a locking mechanism in SAP that prevents data inconsistencies by ensuring that only one process can modify a piece of data at a time.
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM59: To manage RFC destinations.
  SM50/SM66: To monitor active processes.
  SM21: To view system logs.
  DB02: To monitor database performance.
  
  
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.