How To Fix DB6PM259 - Database connection &1 could not be established

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 259

• Message text: Database connection &1 could not be established

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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First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB6PM259 - Database connection &1 could not be established ?

  The SAP error message DB6PM259 indicates that a database connection could not be established. This error can arise from various issues related to the database configuration, network problems, or incorrect connection parameters. Below are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Incorrect Connection Parameters: The database connection parameters (like hostname, port, database name, username, and password) may be incorrect.
  Database Service Not Running: The database service may not be running or may have crashed.
  Network Issues: There could be network connectivity issues between the SAP application server and the database server.
  Firewall Restrictions: Firewalls may be blocking the connection to the database.
  Database Configuration Issues: The database may not be configured to accept connections from the SAP application server.
  Resource Limitations: The database server may be experiencing resource limitations (e.g., memory, CPU) that prevent new connections.
  Version Compatibility: There may be compatibility issues between the SAP system and the database version.
  
  Solutions:
  
  Verify Connection Parameters: Check the connection parameters in the SAP system (transaction code DBACOCKPIT or RZ10 for profile parameters) to ensure they are correct.
  Check Database Status: Ensure that the database service is running. You can check this using database management tools or command-line utilities specific to your database.
  Test Network Connectivity: Use tools like ping or telnet to test connectivity to the database server from the SAP application server.
  Review Firewall Settings: Ensure that the firewall settings allow traffic on the database port (e.g., 1521 for Oracle, 5432 for PostgreSQL).
  Database Configuration: Check the database configuration to ensure it is set up to accept connections from the SAP application server's IP address.
  Monitor Resource Usage: Use monitoring tools to check the resource usage on the database server and address any limitations.
  Check Compatibility: Ensure that the versions of SAP and the database are compatible. Refer to SAP Notes for specific version compatibility information.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may provide additional insights or patches related to this error.
  Database Logs: Check the database logs for any error messages that may provide more context on why the connection failed.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the issue persists after trying the above solutions, it may be beneficial to involve your database administrator or SAP support for further investigation.