How To Fix 03116 - RFC error while reading lock table from the central instance

SAP Error Message - Details

• Message type: E = Error

• Message class: 03 -

• Message number: 116

• Message text: RFC error while reading lock table from the central instance

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 03116 - RFC error while reading lock table from the central instance ?

  The SAP error message "03116 RFC error while reading lock table from the central instance" typically indicates an issue with the Remote Function Call (RFC) communication between the application server and the central instance (often the message server or the database). This error can occur due to various reasons, including network issues, configuration problems, or issues with the SAP system itself.
  Causes:
  
  Network Issues: Problems with the network connection between the application server and the central instance can lead to RFC errors.
  Configuration Errors: Incorrect settings in the SAP system configuration, such as the RFC destination settings, can cause communication failures.
  Lock Table Issues: If the lock table is corrupted or not accessible, it can lead to this error.
  System Load: High load on the central instance or application server can lead to timeouts or failures in communication.
  Authorization Issues: The user or service account may not have the necessary permissions to access the lock table.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the application server and the central instance. You can use tools like ping or traceroute to diagnose connectivity problems.
  Review RFC Destinations: Check the RFC destination settings in transaction SM59. Ensure that the connection parameters are correct and that the connection is working properly.
  Check Lock Table: Use transaction SM12 to check the lock entries. If there are issues with the lock table, you may need to clear stale locks or investigate further.
  Monitor System Load: Use transaction SM50 or SM66 to monitor the system load. If the system is under heavy load, consider optimizing performance or scaling resources.
  Check Authorizations: Ensure that the user or service account has the necessary authorizations to access the lock table and perform the required operations.
  Restart Services: If the issue persists, consider restarting the affected application server or the central instance to reset the connections.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. You can search for relevant notes in the SAP Support Portal.
  System Logs: Review the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem continues after trying the above solutions, it may be necessary to involve SAP support for further investigation.