How To Fix TXX053 - Internal error: Lock not possible due to enqueue server problem

SAP Error Message - Details

• Message type: E = Error

• Message class: TXX - DARTX - XML-Based Data Retention Tool

• Message number: 053

• Message text: Internal error: Lock not possible due to enqueue server problem

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TXX053 - Internal error: Lock not possible due to enqueue server problem ?

  The SAP error message TXX053, which states "Internal error: Lock not possible due to enqueue server problem," typically indicates an issue with the enqueue server, which is responsible for managing locks in the SAP system. This error can occur due to various reasons, including:
  Causes:
  
  Enqueue Server Down: The enqueue server may not be running or may have crashed.
  Network Issues: There could be network connectivity problems between the application server and the enqueue server.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to problems with the enqueue server.
  Resource Limitations: The enqueue server may be overloaded or running out of resources (e.g., memory, CPU).
  Database Issues: Problems with the underlying database can also affect the enqueue server's ability to manage locks.
  
  Solutions:
  
  
  Check Enqueue Server Status:
  
  Use transaction code SM51 to check the status of the application servers and ensure that the enqueue server is active.
  If the enqueue server is down, restart it using transaction code SM66 or by restarting the SAP instance.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction code SM21) for any related error messages that might provide more context about the issue.
  
  
  
  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 network problems.
  
  
  
  Configuration Check:
  
  Verify the configuration settings in the SAP system, particularly in the instance profile. Ensure that the enqueue server is correctly configured.
  
  
  
  Resource Monitoring:
  
  Monitor the resource usage of the enqueue server. Use transaction codes like ST02 (buffer management) and ST06 (OS monitoring) to check for memory and CPU usage.
  
  
  
  Database Health:
  
  Check the health of the database. Ensure that it is running optimally and that there are no locks or performance issues affecting it.
  
  
  
  Restart SAP System:
  
  If the issue persists and you cannot identify the root cause, consider restarting the entire SAP system as a last resort.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the enqueue server. You can search for relevant notes in the SAP Support Portal.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the official SAP documentation for more details on the enqueue server and lock management.
  
  If the problem continues after trying the above solutions, it may be necessary to involve SAP support for further assistance.