How To Fix SFSRFW_ENGINE_MSG016 - No connection to SQL server (connection: &)

SAP Error Message - Details

• Message type: E = Error

• Message class: SFSRFW_ENGINE_MSG - Replication Framework - Search Engine Messages

• Message number: 016

• Message text: No connection to SQL server (connection: &)

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.

What else can you do?

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SFSRFW_ENGINE_MSG016 - No connection to SQL server (connection: &) ?

  The SAP error message SFSRFW_ENGINE_MSG016 indicates that there is no connection to the SQL server specified in the connection string. This can occur in various scenarios, particularly when using SAP applications that rely on a database backend.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP application server and the SQL server.
  SQL Server Down: The SQL server might be down or not running.
  Incorrect Connection Parameters: The connection string or parameters (like hostname, port, database name, username, or password) may be incorrect.
  Firewall Restrictions: A firewall may be blocking the connection to the SQL server.
  SQL Server Configuration: The SQL server may not be configured to accept remote connections.
  Driver Issues: There may be issues with the database driver or ODBC settings.
  Resource Limitations: The SQL server may be experiencing resource limitations (e.g., too many connections).
  
  Solutions:
  
  Check SQL Server Status: Ensure that the SQL server is up and running. You can do this by trying to connect to the SQL server using a database management tool (like SQL Server Management Studio).
  Verify Connection Parameters: Double-check the connection string and parameters in your SAP configuration. Ensure that the hostname, port, database name, username, and password are correct.
  Network Connectivity: Test the network connection between the SAP application server and the SQL server. You can use tools like ping or telnet to check connectivity.
  Firewall Settings: Check the firewall settings on both the SAP server and the SQL server to ensure that the necessary ports are open for communication.
  SQL Server Configuration: Ensure that the SQL server is configured to allow remote connections. This can be checked in the SQL Server Configuration Manager.
  Driver and ODBC Settings: Ensure that the correct database driver is installed and configured properly. If using ODBC, check the ODBC Data Source Administrator for the correct settings.
  Resource Monitoring: Monitor the SQL server for resource usage and connection limits. If the server is overloaded, consider optimizing queries or increasing resources.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message.
  Logs: Review the SAP application logs and SQL server logs for any additional error messages or warnings that could provide more context.
  Documentation: Refer to the official SAP documentation for guidance on configuring database connections and troubleshooting connectivity issues.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis team or database administrator for further assistance.