How To Fix DBACK013 - Database user &1 of the back end is different from the connection user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: DBACK - DBA Checks

• Message number: 013

• 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 user of the database
connection must be the same.
Back-end user: &CURRENT_DB_USER&
Database connection user: &CONNECTION_DB_USER&

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DBACK013 - Database user &1 of the back end is different from the connection user &2 ?

  The SAP error message DBACK013 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 typically occurs in scenarios where the SAP system is trying to perform a database operation, but the user credentials do not match the expected values.
  Cause:
  
  Configuration Mismatch: The database user defined in the SAP system configuration does not match the user that is being used to connect to the database.
  User Changes: The database user may have been changed or updated in the database, but the SAP system configuration has not been updated accordingly.
  Multiple Database Connections: If there are multiple database connections configured, it is possible that the wrong user is being referenced in the connection settings.
  
  Solution:
  
  
  Check Database Configuration:
  
  Go to the SAP system and check the database connection settings. This can typically be found in transaction DBACOCKPIT or RZ10 (for profile parameters).
  Verify the database user settings and ensure they match the expected user.
  
  
  
  Update Connection Parameters:
  
  If the database user has changed, update the connection parameters in the SAP system to reflect the correct database user.
  This may involve updating the DB_USER parameter in the instance profile or the database connection settings.
  
  
  
  Check User Permissions:
  
  Ensure that the database user has the necessary permissions to perform the required operations in the database.
  
  
  
  Restart the SAP System:
  
  After making changes to the configuration, it may be necessary to restart the SAP system or the relevant application server to apply the changes.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or support notes for specific guidance related to your version of SAP and the database being used.
  
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like DBACOCKPIT, RZ10, or SM51 to check and manage database connections and profiles.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Database Logs: Check the database logs for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.