How To Fix ESH_QL_MSG069 - Technical error with enqueue server; process could not be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_QL_MSG - ESH Query Logging

• Message number: 069

• Message text: Technical error with enqueue server; process could not be locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_QL_MSG069 - Technical error with enqueue server; process could not be locked ?

  The SAP error message ESH_QL_MSG069 indicates a technical error related to the enqueue server, which is responsible for managing locks in the SAP system. This error typically occurs when a process cannot be locked due to issues with the enqueue server or the lock management system.
  Causes:
  
  Enqueue Server Issues: The enqueue server may be down or not functioning correctly.
  Network Problems: There could be network connectivity issues between the application server and the enqueue server.
  Lock Table Overflow: The lock table may be full, preventing new locks from being created.
  Configuration Issues: Incorrect configuration settings for the enqueue server or the application server.
  System Resource Limitations: Insufficient system resources (CPU, memory) can lead to performance issues affecting the enqueue server.
  
  Solutions:
  
  
  Check Enqueue Server Status:
  
  Use transaction SM12 to check for existing locks and see if the enqueue server is operational.
  Use transaction SM51 to check the status of application servers and ensure the enqueue server is running.
  
  
  
  Restart Enqueue Server:
  
  If the enqueue server is down, restart it. This can often resolve temporary issues.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no network issues between the application server and the enqueue server. You can use tools like ping or traceroute to diagnose connectivity.
  
  
  
  Monitor Lock Table:
  
  Check the lock table size and usage. You can adjust the size of the lock table in the instance profile if it is full. This can be done by modifying the parameter enque/table_size.
  
  
  
  Review System Resources:
  
  Monitor system resources (CPU, memory) to ensure that the enqueue server has enough resources to operate effectively.
  
  
  
  Check Configuration:
  
  Review the configuration settings for the enqueue server in the instance profile. Ensure that all parameters are set correctly.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that can resolve known issues.
  
  
  
  Consult Logs:
  
  Review the system logs (transaction SM21) and developer traces (transaction ST22) for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM51: Display active application servers.
  SM21: System log.
  ST22: Dump analysis.
  
  
  
  SAP Documentation: Refer to the official SAP documentation for more detailed information on enqueue server configuration and troubleshooting.
  
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.