How To Fix RZ445 - CUA buffer alert

SAP Error Message - Details

• Message type: E = Error

• Message class: RZ - Messages for Computing Center Management System

• Message number: 445

• Message text: CUA buffer alert

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RZ445 - CUA buffer alert ?

  The SAP error message RZ445, which indicates a "CUA buffer alert," typically relates to issues with the Central User Administration (CUA) in an SAP system. This error occurs when the CUA buffer, which is used to store user data and settings for multiple systems, exceeds its defined limits or encounters inconsistencies.
  Cause:
  
  Buffer Overflow: The CUA buffer may have reached its maximum capacity, leading to performance issues or errors in user administration.
  Inconsistencies: There may be inconsistencies in the user data across the connected systems, which can trigger alerts.
  Configuration Issues: Incorrect configuration of the CUA settings or parameters can lead to buffer-related issues.
  System Performance: High system load or performance issues can also affect the CUA buffer.
  
  Solution:
  
  Check Buffer Size: Review the configuration settings for the CUA buffer size. You may need to increase the buffer size if it is too small for your user base.
  Clear Buffer: You can clear the CUA buffer to remove outdated or unnecessary entries. This can often be done through transaction codes like SU01 or SU10 for user management.
  Consistency Check: Perform a consistency check of the user data across the connected systems. This can help identify and resolve discrepancies.
  Review Logs: Check the system logs for any additional error messages or warnings that may provide more context about the issue.
  System Performance: Monitor system performance and resource usage. If the system is under heavy load, consider optimizing performance or scaling resources.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to CUA buffer alerts.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SU01 (User Maintenance), SU10 (Mass User Maintenance), and RZ20 (Monitoring).
  SAP Documentation: Refer to SAP Help documentation for detailed information on CUA and user administration.
  Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you suspect a bug or require a more in-depth analysis.
  
  By following these steps, you should be able to address the RZ445 CUA buffer alert effectively.