How To Fix DB6PM256 - RFC destination &1 and database connection &2 describe different systems

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 256

• Message text: RFC destination &1 and database connection &2 describe different systems

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 DB6PM256 - RFC destination &1 and database connection &2 describe different systems ?

  The SAP error message DB6PM256 indicates that there is a mismatch between the RFC destination and the database connection. Specifically, it means that the RFC destination you are trying to use is pointing to a different system than the one defined in the database connection. This can lead to issues when trying to perform operations that require communication between the SAP application and the database.
  Cause:
  
  Configuration Mismatch: The RFC destination is configured to connect to a different SAP system or database than what is defined in the database connection settings.
  Incorrect RFC Destination: The RFC destination may have been incorrectly set up or may have been changed without updating the corresponding database connection.
  System Landscape Changes: Changes in the system landscape, such as system copies, migrations, or upgrades, may lead to inconsistencies in the configuration.
  
  Solution:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination that is causing the issue.
  Verify that the target system and connection parameters are correct.
  
  
  
  Check Database Connection:
  
  Go to transaction DBACOCKPIT or DB02 to check the database connection settings.
  Ensure that the database connection is pointing to the correct database instance that matches the RFC destination.
  
  
  
  Update Configuration:
  
  If there is a mismatch, update either the RFC destination or the database connection to ensure they point to the same system.
  If necessary, create a new RFC destination that correctly points to the intended database.
  
  
  
  Test the Connection:
  
  After making changes, test the RFC connection using the "Connection Test" option in SM59.
  Ensure that the database connection is also functioning correctly.
  
  
  
  Consult Documentation: If you are unsure about the correct settings, consult the SAP documentation or your system administrator for guidance on the proper configuration.
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: For managing RFC destinations.
  DBACOCKPIT: For database administration and monitoring.
  DB02: For database performance analysis and monitoring.
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message number or related keywords in the SAP Support Portal.
  
  
  System Logs: Review system logs (transaction SM21) 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 DB6PM256 error and ensure that your RFC destination and database connection are correctly configured.