How To Fix DB6PM045 - Buffersize 0 not allowed if DBM parameter BACKBUFSZ < 16, Default used

SAP Error Message - Details

• Message type: E = Error

• Message class: DB6PM - DB2 UDB for UNIX, Windows: Performance Monitoring

• Message number: 045

• Message text: Buffersize 0 not allowed if DBM parameter BACKBUFSZ < 16, Default used

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB6PM045 - Buffersize 0 not allowed if DBM parameter BACKBUFSZ < 16, Default used ?

  The SAP error message DB6PM045 Buffersize 0 not allowed if DBM parameter BACKBUFSZ < 16, Default used typically indicates an issue with the database buffer size configuration in the SAP system. This error is related to the database management (DBM) parameters, specifically the BACKBUFSZ parameter, which controls the size of the buffer used for database operations.
  Cause:
  
  Incorrect Configuration: The BACKBUFSZ parameter is set to a value less than 16, which is not allowed when the buffer size is set to 0. This can happen if the database configuration was altered or not set correctly during installation or maintenance.
  Database Limitations: Some databases have minimum requirements for buffer sizes, and setting it to 0 while having a low BACKBUFSZ can trigger this error.
  
  Solution:
  
  
  Check DBM Parameters:
  
  Access the database management interface (DBM) for your specific database (e.g., MaxDB, HANA, etc.).
  Check the current value of the BACKBUFSZ parameter. If it is less than 16, you will need to increase it.
  
  
  
  Modify BACKBUFSZ:
  
  Increase the BACKBUFSZ parameter to a value of at least 16. This can usually be done through the DBM command line or configuration files, depending on your database system.
  Example command for MaxDB:
  dbmcli -d <database_name> -u <user> -p <password> "set BACKBUFSZ 16"
  
  
  
  
  Restart the Database:
  
  After making changes to the DBM parameters, restart the database to apply the new settings.
  
  
  
  Check Buffer Size Settings:
  
  Ensure that the buffer size settings in your SAP system are appropriate and not set to 0. Adjust them if necessary.
  
  
  
  Consult Documentation:
  
  Refer to the official documentation for your specific database and SAP version for any additional configuration requirements or recommendations.
  
  
  
  Related Information:
  
  Database Documentation: Check the documentation for your specific database (e.g., MaxDB, HANA) for detailed instructions on configuring DBM parameters.
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to resolve the error and ensure that your database configuration is correct. If the problem persists, consider reaching out to SAP support or your database administrator for further assistance.