How To Fix ESH_EX011 - Technical error with enqueue server; process could not be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_EX - Extraction

• Message number: 011

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

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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 ESH_EX011 - Technical error with enqueue server; process could not be locked ?

  The SAP error message ESH_EX011 indicates a technical error related to the enqueue server, specifically that a process could not be locked. This error typically arises in the context of SAP's enqueue mechanism, which is responsible for managing locks on objects to ensure data consistency in a multi-user environment.
  Causes:
  
  Enqueue Server Issues: The enqueue server may be down or not functioning correctly. This can happen due to network issues, server crashes, or configuration problems.
  Lock Table Overflow: The lock table may be full, preventing new locks from being created.
  Database Issues: Problems with the underlying database can also lead to enqueue errors.
  Configuration Errors: Incorrect settings in the SAP system configuration related to the enqueue server or lock management.
  Resource Contention: High load on the system or contention for resources can lead to timeouts or failures in acquiring locks.
  
  Solutions:
  
  Check Enqueue Server Status: Ensure that the enqueue server is running. You can check this in the SAP system using transaction SM51 to see the status of application servers.
  Restart Enqueue Server: If the enqueue server is down, restart it. This can often resolve temporary issues.
  Monitor Lock Table: Use transaction SM12 to monitor the lock entries. If the lock table is full, consider increasing its size in the system profile parameters.
  Check System Logs: Review the system logs (transaction SM21) for any related errors or warnings that could provide more context about the issue.
  Database Health Check: Ensure that the database is functioning correctly and that there are no issues with connectivity or performance.
  Review Configuration: Check the configuration settings related to the enqueue server and locks in the instance profile (transaction RZ10).
  System Performance: If the system is under heavy load, consider optimizing performance or scaling resources to handle the load better.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to enqueue server issues for specific patches or updates that may address known problems.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Documentation: Review SAP documentation on enqueue management and locking mechanisms for a deeper understanding of how these systems work.
  
  If the problem persists after trying the above solutions, it may be necessary to involve SAP support for further investigation and assistance.