How To Fix DB6PM693 - Connection Concentrator is enabled

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 693

• Message text: Connection Concentrator is enabled

What causes this issue?

If MAX_CONNECTIONS is greater than MAX_COORDAGENTS, the Connection
Concentrator is switched on. This is not recommended in an SAP
environment.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Change either the value of MAX_CONNECTIONS or MAX_COORDAGENTS to turn
of the Connection Concentrator.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB6PM693 - Connection Concentrator is enabled ?

  The SAP error message DB6PM693 indicates that the Connection Concentrator (CC) is enabled for the database connection you are trying to use. The Connection Concentrator is a feature that allows multiple application server processes to share a single database connection, which can help reduce the number of connections to the database and improve performance. However, there are certain scenarios where this feature may cause issues.
  Cause:
  
  Connection Concentrator Enabled: The error typically arises when the Connection Concentrator is enabled, but the application or the specific operation you are trying to perform does not support it.
  Configuration Issues: There may be misconfigurations in the database or SAP system settings that lead to this error.
  Database Limitations: Some database operations or features may not be compatible with the Connection Concentrator.
  
  Solution:
  
  
  Disable Connection Concentrator: If the application or operation you are trying to perform does not support the Connection Concentrator, you may need to disable it. This can usually be done in the database connection settings in the SAP system.
  
  You can do this by modifying the connection parameters in the SAP profile or database configuration.
  Look for parameters like dbs/connection_concentrator and set it to 0 or false.
  
  
  
  Check Application Compatibility: Ensure that the application or transaction you are trying to execute is compatible with the Connection Concentrator. If it is not, consider using a different approach or configuration.
  
  
  Review Database Settings: Check the database settings and ensure that they are correctly configured to work with the Connection Concentrator. Consult the database documentation for any specific requirements or limitations.
  
  
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  Contact Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance. They can provide more detailed guidance based on your specific system configuration and requirements.
  
  
  Related Information:
  
  SAP Documentation: Review the official SAP documentation regarding the Connection Concentrator for your specific database (e.g., SAP HANA, Oracle, etc.) to understand its features and limitations.
  Performance Tuning: If you are using the Connection Concentrator for performance reasons, consider other performance tuning options that may not involve enabling it.
  System Logs: Check the 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 DB6PM693 error and ensure that your SAP system operates smoothly.