How To Fix DB6CK098 - Database user &1 of the back end is different from the connection user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: DB6CK - DB6: System Check Messages

• Message number: 098

• Message text: Database user &1 of the back end is different from the connection user &2

The database user of the back end and the database connection user must
be the same. They can only be different if the user of the database
connection has the DBADM authority. Users with the database role
SAPTOOLS have the DBADM authority.
Back-end user: &CURRENT_DB_USER&
Database connection user: &CONNECTION_DB_USER&
Database connection user has DBADM authority: &CONNECTION_DBADM_USER&

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB6CK098 - Database user &1 of the back end is different from the connection user &2 ?

  The SAP error message DB6CK098 indicates a mismatch between the database user configured in the SAP system and the database user that is being used to connect to the database. This can occur in various scenarios, such as when the database connection settings are misconfigured or when there are changes in user credentials.
  Cause:
  
  Configuration Mismatch: The database connection settings in the SAP system (usually in the instance profile or database configuration) specify a different user than the one being used to connect to the database.
  User Changes: The database user might have been changed or updated in the database, but the SAP system still references the old user.
  Multiple Database Users: If there are multiple database users configured for different purposes, it can lead to confusion and mismatches.
  Transport Issues: If changes were transported from one system to another (e.g., from development to production), the user settings might not have been updated accordingly.
  
  Solution:
  
  
  Check Database Connection Settings:
  
  Go to the SAP system and check the database connection settings. This can typically be found in the instance profile or the database configuration settings.
  Ensure that the database user specified in the configuration matches the user that is being used to connect to the database.
  
  
  
  Update User Credentials:
  
  If the database user has changed, update the SAP system configuration to reflect the new user credentials.
  This may involve updating the DB User field in the instance profile or relevant configuration files.
  
  
  
  Verify User Permissions:
  
  Ensure that the database user has the necessary permissions to access the database and perform the required operations.
  
  
  
  Restart the SAP Instance:
  
  After making changes to the configuration, restart the SAP instance to ensure that the changes take effect.
  
  
  
  Check for Transport Issues:
  
  If the issue arose after a transport, verify that the transport included all necessary changes related to database user configurations.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error message. SAP frequently updates its knowledge base with solutions for common issues.
  Database Logs: Review the database logs for any additional error messages or warnings that might provide more context about the connection issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to resolve the DB6CK098 error and ensure that the database user configurations are correctly aligned.