How To Fix DBACK029 - Database connection '&1' does not work properly

SAP Error Message - Details

• Message type: E = Error

• Message class: DBACK - DBA Checks

• Message number: 029

• Message text: Database connection '&1' does not work properly

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DBACK029 - Database connection '&1' does not work properly ?

  The SAP error message DBACK029 indicates that there is an issue with the database connection specified by '&1'. This error typically arises during database operations, such as backups or restores, and can be caused by various factors. Below are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP application server and the database server.
  Database Configuration: The database connection parameters (like hostname, port, username, password) may be incorrectly configured.
  Database Service Status: The database service may not be running or may have crashed.
  Resource Limitations: The database server may be experiencing resource limitations (e.g., memory, CPU).
  User Permissions: The user account used for the database connection may not have the necessary permissions to perform the required operations.
  Database Locking: There may be locks on the database that prevent the connection from functioning properly.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Ensure that the SAP application server can reach the database server. You can use tools like ping or telnet to test connectivity.
  
  
  
  Verify Database Connection Parameters:
  
  Check the connection parameters in the SAP system (transaction DBACOCKPIT or DB02) to ensure they are correct.
  
  
  
  Check Database Service Status:
  
  Log in to the database server and verify that the database service is running. Restart the service if necessary.
  
  
  
  Review Database Logs:
  
  Check the database logs for any errors or warnings that might indicate what is wrong with the connection.
  
  
  
  Check User Permissions:
  
  Ensure that the user account used for the database connection has the necessary permissions to access the database and perform the required operations.
  
  
  
  Monitor Resource Usage:
  
  Use monitoring tools to check the resource usage on the database server. If resources are low, consider optimizing the database or upgrading the server.
  
  
  
  Database Lock Management:
  
  Investigate any locks that may be affecting the database. You may need to release locks or resolve any blocking sessions.
  
  
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as DBACOCKPIT, DB02, and SM21 for monitoring database connections and logs.
  Documentation: Review the official SAP documentation for your specific database (e.g., Oracle, SQL Server, HANA) for best practices on connection management and troubleshooting.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis team or SAP support for further assistance.