How To Fix /STMC/CR_MSG037 - Error while connecting to database (&1); connection not found

SAP Error Message - Details

• Message type: E = Error

• Message class: /STMC/CR_MSG -

• Message number: 037

• Message text: Error while connecting to database (&1); connection not found

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 /STMC/CR_MSG037 - Error while connecting to database (&1); connection not found ?

  The SAP error message /STMC/CR_MSG037 indicates that there is an issue with connecting to the database. The specific message "Error while connecting to database (&1); connection not found" suggests that the system is unable to establish a connection to the specified database.
  Causes:
  
  Database Service Not Running: The database service may not be running or may have crashed.
  Incorrect Connection Parameters: The connection parameters (like hostname, port, database name, username, or password) may be incorrect.
  Network Issues: There may be network connectivity issues between the SAP application server and the database server.
  Database Configuration Issues: The database may not be configured correctly to accept connections from the SAP system.
  Firewall Restrictions: Firewalls may be blocking the connection to the database.
  Resource Limitations: The database server may be experiencing resource limitations (e.g., too many connections, memory issues).
  
  Solutions:
  
  Check Database Service: Ensure that the database service is running. You can do this by logging into the database server and checking the status of the database service.
  Verify Connection Parameters: Double-check the connection parameters in the SAP system configuration (e.g., DB connection settings in the SAP profile or transaction codes like DBACOCKPIT).
  Test Network Connectivity: Use tools like ping or telnet to test connectivity to the database server from the SAP application server.
  Review Database Logs: Check the database logs for any errors or warnings that might indicate why the connection is failing.
  Firewall Configuration: Ensure that any firewalls between the SAP application server and the database server are configured to allow traffic on the required ports.
  Monitor Resource Usage: Check the resource usage on the database server to ensure it is not overloaded. You may need to increase resources or optimize queries if necessary.
  Restart Services: If all else fails, consider restarting the database service and the SAP application server to clear any transient issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Use transaction codes like DBACOCKPIT or SM21 to monitor database connections and system logs for further insights.
  Documentation: Refer to the official SAP documentation for your specific database type (e.g., Oracle, HANA, SQL Server) for configuration and troubleshooting guidelines.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your database administrator or SAP support for further assistance.