How To Fix DB6PM286 - Database connection &1 is still in use by system &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 286

• Message text: Database connection &1 is still in use by system &2

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 DB6PM286 - Database connection &1 is still in use by system &2 ?

  The SAP error message DB6PM286 indicates that a database connection is still in use by a specific system, which can prevent certain operations from being performed, such as shutting down the database or performing maintenance tasks. Here’s a breakdown of the cause, potential solutions, and related information for this error:
  Cause:
  
  Active Sessions: The database connection is actively being used by one or more sessions in the specified system. This could be due to ongoing transactions, open connections, or background jobs that are still running.
  Long-Running Transactions: If there are long-running transactions or processes that have not yet completed, they may be holding onto the database connection.
  Configuration Issues: There may be configuration settings that are not properly set, leading to connections not being released as expected.
  Resource Locks: Certain resources may be locked by transactions, preventing the database connection from being released.
  
  Solutions:
  
  
  Identify Active Sessions: Use database monitoring tools or SQL queries to identify which sessions are currently using the database connection. This can help you pinpoint the source of the issue.
  
  For example, in Oracle, you can use:
  SELECT * FROM v$session WHERE username = 'SAP_USER';
  
  In SQL Server, you can use:
  EXEC sp_who2;
  
  
  
  
  Terminate Sessions: If it is safe to do so, you can terminate the active sessions that are holding onto the database connection. Be cautious with this approach, as it may lead to data loss or corruption if transactions are forcibly terminated.
  
  
  Check Background Jobs: Review any background jobs or scheduled tasks that may be running and holding onto the connection. You may need to wait for these jobs to complete or manually stop them if necessary.
  
  
  Review Configuration: Check the configuration settings for the database connection in the SAP system. Ensure that connection pooling and timeout settings are appropriately configured to avoid lingering connections.
  
  
  Restart the Application Server: If the issue persists and you cannot identify the active sessions, consider restarting the SAP application server. This can help release any connections that are stuck.
  
  
  Consult Logs: Review the SAP and database logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Database Documentation: Refer to the documentation for your specific database (e.g., Oracle, SQL Server, HANA) for best practices on managing connections and sessions.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found effective.
  
  By following these steps, you should be able to diagnose and resolve the DB6PM286 error effectively.