How To Fix SDBALM006 - No SQL connection possible despite ONLINE state (&1)

SAP Error Message - Details

• Message type: E = Error

• Message class: SDBALM - SAP DB and liveCache Alert Monitoring

• Message number: 006

• Message text: No SQL connection possible despite ONLINE state (&1)

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 SDBALM006 - No SQL connection possible despite ONLINE state (&1) ?

  The SAP error message SDBALM006 indicates that there is an issue with establishing a SQL connection to the database, even though the database is reported to be in an ONLINE state. This can occur for various reasons, and understanding the cause and potential solutions is essential for troubleshooting.
  Causes:
  
  Database Configuration Issues: The database may not be configured correctly, leading to connection failures.
  Network Issues: There may be network connectivity problems between the SAP application server and the database server.
  Database Listener Issues: The database listener may not be running or may not be configured to accept connections.
  Resource Limitations: The database may be running out of resources (e.g., memory, connections) that prevent new connections from being established.
  Firewall or Security Settings: Firewalls or security settings may be blocking the connection to the database.
  Database Instance Issues: The specific database instance may have issues that prevent connections, even if the overall database is online.
  
  Solutions:
  
  Check Database Status: Verify that the database is indeed online and accessible. Use database management tools to check the status.
  Review Configuration: Ensure that the database connection parameters (like hostname, port, SID, etc.) in the SAP system are correct.
  Test Network Connectivity: Use tools like ping or telnet to check if the SAP application server can reach the database server on the specified port.
  Check Database Listener: Ensure that the database listener is running and configured to accept connections. For Oracle databases, you can use the lsnrctl status command.
  Monitor Resource Usage: Check the database for resource usage and limits. If the database is at capacity, consider increasing resources or optimizing existing usage.
  Review Logs: Check the database logs and SAP application logs for any error messages or warnings that could provide more context on the issue.
  Firewall Settings: Ensure that any firewalls between the SAP application server and the database server are configured to allow traffic on the necessary ports.
  Restart Services: If all else fails, consider restarting the database services or the SAP application server to clear any transient issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific error message for any patches or updates that may address the issue.
  Database Documentation: Refer to the documentation for the specific database you are using (e.g., Oracle, SQL Server, HANA) for troubleshooting connection issues.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By systematically checking these areas, you should be able to identify and resolve the cause of the SDBALM006 error message.