How To Fix DB6529 - The DFT_MON_TABLE switch is not set

SAP Error Message - Details

• Message type: E = Error

• Message class: DB6 - DB6: Alert Monitoring and Alert Configuration

• Message number: 529

• Message text: The DFT_MON_TABLE switch is not set

Copy of DB6 527

What causes this issue?

To allow meaningful monitoring of the database, you must activate this
switch.

System Response

If this switch is not set, it can lead to problems ranging from
restricting the function of the CCMS transactions to erroneous
terminations.

How to fix this error?

Activate the switch by setting the appropriate database manager
parameters using the following command:
<LB>UPDATE DBM CFG USING DFT_MON_TABLE ON </>
The setting will become active at the next connection to the database.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB6529 - The DFT_MON_TABLE switch is not set ?

  The SAP error message DB6529, which states "The DFT_MON_TABLE switch is not set," typically relates to database monitoring and performance analysis within the SAP system. This error indicates that the default monitoring table for database performance is not activated or configured properly.
  Cause:
  
  Configuration Issue: The DFT_MON_TABLE switch is not enabled in the database configuration settings. This can happen if the database monitoring features were not set up during the initial configuration or if they were disabled later.
  Database Type: The error may also be specific to certain database types or versions that require specific settings for monitoring.
  Missing Authorizations: The user may not have the necessary authorizations to access or modify the database monitoring settings.
  
  Solution:
  To resolve the DB6529 error, you can follow these steps:
  
  
  Check Database Configuration:
  
  Access the database configuration settings in the SAP system.
  Look for the DFT_MON_TABLE switch and ensure it is set to "on" or "enabled."
  
  
  
  Enable Monitoring:
  
  If the switch is not set, you may need to enable it. This can typically be done through transaction codes like DBACOCKPIT or by using the database-specific tools.
  For example, in the case of an SAP HANA database, you might need to use HANA Studio or SQL commands to enable monitoring.
  
  
  
  Review Documentation:
  
  Consult the SAP documentation or the specific database documentation for instructions on how to enable the DFT_MON_TABLE switch.
  Ensure that you are following the best practices for your specific database type (e.g., Oracle, SQL Server, HANA).
  
  
  
  Check Authorizations:
  
  Ensure that the user account you are using has the necessary authorizations to modify database settings. You may need to work with your SAP Basis team to verify this.
  
  
  
  Restart Services:
  
  In some cases, after making changes to the configuration, you may need to restart the database services or the SAP application server for the changes to take effect.
  
  
  
  Consult SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. They can provide more specific guidance based on your system configuration and version.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as DBACOCKPIT, ST04 (Database Performance Analysis), and ST03 (Workload Analysis) for monitoring database performance.
  SAP Notes: Check for any SAP Notes related to DB6529 for additional troubleshooting steps or patches that may address the issue.
  Database Documentation: Review the documentation for your specific database (e.g., Oracle, SQL Server, HANA) for any additional configuration settings that may be required for monitoring.
  
  By following these steps, you should be able to resolve the DB6529 error and enable the necessary database monitoring features in your SAP system.