How To Fix RT747 - Number of errors in enqueue work processes per minute

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 747

• Message text: Number of errors in enqueue work processes per minute

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 RT747 - Number of errors in enqueue work processes per minute ?

  The SAP error message RT747 indicates that there is a high number of errors occurring in the enqueue work processes per minute. This can lead to performance issues and potential disruptions in the system's ability to handle enqueue requests, which are critical for maintaining data consistency in a multi-user environment.
  Causes:
  
  High Load on Enqueue Server: A sudden spike in user activity or background jobs can overwhelm the enqueue server.
  Lock Contention: Multiple processes trying to access the same data can lead to lock contention, causing errors.
  Configuration Issues: Incorrect configuration of the enqueue server or insufficient resources allocated to it can lead to errors.
  Network Issues: Problems with network connectivity can cause delays or failures in enqueue requests.
  System Bugs: There may be bugs in the SAP system or specific transactions that lead to enqueue errors.
  
  Solutions:
  
  Monitor and Analyze: Use transaction codes like SM66 (Global Work Process Overview) and SM12 (Display and Delete Locks) to monitor the enqueue processes and identify any locks or contention issues.
  Increase Resources: If the enqueue server is under heavy load, consider increasing the resources (CPU, memory) allocated to it.
  Optimize Lock Management: Review the application logic to minimize lock contention. Ensure that locks are held for the shortest time possible.
  Check Configuration: Verify the configuration settings for the enqueue server in the SAP system. Ensure that they are optimized for your workload.
  Network Troubleshooting: Check for any network issues that might be affecting communication between application servers and the enqueue server.
  Patch and Update: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), ST22 (Dump Analysis), and SMD (SAP Solution Manager Diagnostics) for further analysis.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that address the RT747 error or provide guidance on enqueue server performance.
  Performance Tuning: Consider engaging in performance tuning activities, such as analyzing workload distribution and optimizing database performance.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with SAP support or a qualified SAP Basis consultant for further assistance.