How To Fix PO545 - Processing of &1 front-end requests restarted (&2 reactivated)

SAP Error Message - Details

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 545

• Message text: Processing of &1 front-end requests restarted (&2 reactivated)

What causes this issue?

The system contains output requests for a frontend printer that have
not been processed. They were discovered as a result of the current
frontend connection. Any requests that were reset because the system
could not establish a connection to the frontend server are reactivated
due to this new connection.

System Response

The system re-attempts to process the requests-

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PO545 - Processing of &1 front-end requests restarted (&2 reactivated) ?

  The SAP error message PO545 indicates that the processing of front-end requests has been restarted, and it typically involves two parameters: &1 and &2, which represent specific details about the request and the reactivation process.
  Cause:
  The error message PO545 can occur due to several reasons, including:
  
  System Overload: The SAP system may be experiencing high load, causing it to restart the processing of front-end requests.
  Timeouts: If a request takes too long to process, the system may time out and restart the request.
  Network Issues: Problems with the network connection between the front-end and back-end systems can lead to interruptions in processing.
  Configuration Issues: Incorrect settings in the SAP system or in the front-end application can lead to this error.
  Resource Limitations: Insufficient resources (like memory or CPU) on the application server can cause processing to fail and restart.
  
  Solution:
  To resolve the PO545 error, you can take the following steps:
  
  Check System Load: Monitor the system performance and check for any bottlenecks. If the system is overloaded, consider optimizing performance or scaling resources.
  Review Timeout Settings: Check the timeout settings in the SAP system and adjust them if necessary to allow more time for processing.
  Network Diagnostics: Investigate any network issues that may be causing interruptions. Ensure that the connection between the front-end and back-end is stable.
  Configuration Review: Verify the configuration settings in both the SAP system and the front-end application to ensure they are correct.
  Resource Allocation: Ensure that the application server has adequate resources (CPU, memory) to handle the requests being processed.
  Check Logs: Review the SAP system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches or updates.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SM21 (System Log), ST22 (Dump Analysis), and SM37 (Job Monitoring) to gather more information about the error.
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  Documentation: Review SAP documentation related to performance tuning and error handling for more insights.
  
  By following these steps, you should be able to diagnose and resolve the PO545 error effectively.