How To Fix /PF1/FH_SN001 - Enqueue of status notification poller failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/FH_SN -

• Message number: 001

• Message text: Enqueue of status notification poller failed

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 /PF1/FH_SN001 - Enqueue of status notification poller failed ?

  The SAP error message /PF1/FH_SN001 Enqueue of status notification poller failed typically indicates an issue with the enqueue mechanism in the SAP system, specifically related to the status notification poller. This error can occur in various scenarios, often related to the configuration or state of the system.
  Causes:
  
  Lock Conflicts: The error may arise due to conflicts with existing locks in the enqueue table. If another process is holding a lock that the status notification poller needs, it will fail to enqueue.
  System Configuration Issues: Incorrect configuration of the status notification poller or related components can lead to this error.
  Resource Limitations: Insufficient resources (like memory or processing power) can cause the enqueue operation to fail.
  Database Issues: Problems with the underlying database, such as connectivity issues or transaction log problems, can also lead to enqueue failures.
  Transport Issues: If there are ongoing transports that affect the enqueue mechanism, it may lead to this error.
  
  Solutions:
  
  Check Locks: Use transaction SM12 to check for existing locks. If you find locks that are causing conflicts, you may need to release them if they are no longer needed.
  Review Configuration: Ensure that the configuration for the status notification poller is correct. Check the relevant settings in the SAP system and adjust them as necessary.
  Monitor System Resources: Use transaction ST02 (buffer management) and ST06 (OS monitoring) to check for resource bottlenecks. If resources are low, consider optimizing or increasing them.
  Database Health Check: Perform a health check on the database to ensure it is functioning correctly. Look for any errors in the database logs that might indicate issues.
  Restart the Poller: Sometimes, simply restarting the status notification poller can resolve transient issues. You can do this through the relevant transaction or by restarting the application server.
  Check for Transport Issues: If there are ongoing transports, wait for them to complete and check if the issue persists afterward.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to this error message for any specific patches or updates that may address the issue.
  System Logs: Review the system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the failure.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the enqueue failure related to the status notification poller in your SAP system.