How To Fix RT651 - Wait time in spool service in seconds

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 651

• Message text: Wait time in spool service in seconds

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 RT651 - Wait time in spool service in seconds ?

  The SAP error message RT651, which indicates "Wait time in spool service in seconds," typically occurs when there is a delay in the spool service processing requests. This can happen for various reasons, including system performance issues, configuration problems, or resource limitations.
  Causes:
  
  High Load on Spool System: If there are too many print requests being processed simultaneously, it can lead to delays.
  Spool Work Process Issues: If the spool work processes are not configured correctly or are not sufficient in number, it can cause bottlenecks.
  Database Performance: Slow database performance can affect the spool service, especially if it relies on database queries to fetch print data.
  Network Issues: If the network is slow or there are connectivity issues with printers, it can lead to increased wait times.
  Configuration Issues: Incorrect configuration of the spool parameters in the SAP system can lead to inefficiencies.
  
  Solutions:
  
  
  Increase Spool Work Processes: Check the number of spool work processes configured in the system and consider increasing them if they are insufficient.
  
  You can do this in transaction RZ10 or RZ11 to adjust the parameters.
  
  
  
  Monitor and Optimize Performance: Use transaction SP01 to monitor spool requests and identify any that are taking too long. Optimize the performance of the database and the application server.
  
  
  Check Printer Configuration: Ensure that the printers are correctly configured and that there are no connectivity issues. Test the printers to ensure they are operational.
  
  
  Review System Load: Analyze the overall system load using transaction ST03N or SM66 to see if there are any performance bottlenecks that need to be addressed.
  
  
  Adjust Spool Parameters: Review and adjust spool parameters in transaction SPAD (Spool Administration) to optimize the spool processing.
  
  
  Check for Background Jobs: Ensure that there are no long-running background jobs that might be consuming resources and affecting the spool service.
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SP01: Spool Request Management
  SPAD: Spool Administration
  RZ10/RZ11: Profile Parameters
  ST03N: Workload Analysis
  SM66: Global Work Process Overview
  
  
  
  SAP Notes: Check SAP Notes related to spool processing and performance issues for any specific patches or recommendations.
  
  
  System Monitoring: Regularly monitor system performance and spool requests to proactively identify and resolve issues before they escalate.
  
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to mitigate the RT651 error and improve the performance of the spool service in your SAP environment.