How To Fix RSEC651 - Preparing user ...50%

SAP Error Message - Details

• Message type: E = Error

• Message class: RSEC -

• Message number: 651

• Message text: Preparing user ...50%

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 RSEC651 - Preparing user ...50% ?

  The SAP error message RSEC651, which indicates "Preparing user ... 50%", typically occurs during the user authorization check process in SAP BW (Business Warehouse) or SAP BI (Business Intelligence). This message suggests that the system is in the process of preparing user authorizations, but it is taking longer than expected, leading to a potential timeout or performance issue.
  Causes:
  
  Large User Base: If there are many users or roles being processed, it can lead to delays.
  Complex Authorization Objects: Complex authorization checks or a large number of authorization objects can slow down the process.
  Performance Issues: System performance issues, such as high load on the server or insufficient resources (CPU, memory), can cause delays.
  Database Performance: Slow database queries or locks on database tables can also contribute to the delay.
  Configuration Issues: Incorrect or inefficient configuration of authorization objects or roles can lead to performance bottlenecks.
  
  Solutions:
  
  Check System Performance: Monitor the system performance using transaction codes like ST03N (Workload Analysis) or ST22 (Dump Analysis) to identify any bottlenecks.
  Optimize Authorizations: Review and optimize the authorization objects and roles. Simplifying complex authorizations can help improve performance.
  Increase Timeout Settings: If the process is timing out, consider increasing the timeout settings in the system configuration.
  Database Optimization: Ensure that the database is optimized. This may include indexing, updating statistics, or checking for locks.
  Batch Processing: If applicable, consider processing user authorizations in smaller batches to reduce the load on the system.
  Check for Locks: Use transaction SM12 to check for any locks that might be affecting the authorization checks.
  Update SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SU01 (User Maintenance), PFCG (Role Maintenance), and ST22 (Dump Analysis).
  SAP Notes: Regularly check the SAP Support Portal for any notes related to performance issues or specific error messages.
  System Logs: Review system logs (SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.