How To Fix S10026 - SQL Connection to & failed

SAP Error Message - Details

• Message type: E = Error

• Message class: S10 - MS SQL Server Database monitor tools messages

• Message number: 026

• Message text: SQL Connection to & failed

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 S10026 - SQL Connection to & failed ?

  The SAP error message S10026, which indicates that an SQL connection to a specified database has failed, can arise from various causes. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  Database Unavailability: The database server may be down or not reachable due to network issues.
  Incorrect Connection Parameters: The connection parameters (hostname, port, database name, username, password) may be incorrect.
  Firewall Issues: A firewall may be blocking the connection to the database server.
  Database Configuration: 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., too many connections).
  Driver Issues: The database driver may not be installed correctly or may be incompatible with the version of SAP.
  SAP Configuration: The SAP system may not be configured correctly to connect to the database.
  
  Solutions:
  
  Check Database Status: Ensure that the database server is up and running. You can do this by trying to connect to the database using a database client.
  Verify Connection Parameters: Double-check the connection parameters in the SAP system configuration (e.g., DB connection settings in the SAP profile or transaction DBACOCKPIT).
  Network Connectivity: Test the network connection between the SAP application server and the database server. Use tools like ping or telnet to check connectivity.
  Firewall Configuration: Ensure that any firewalls between the SAP application server and the database server allow traffic on the required ports.
  Database Configuration: Check the database configuration to ensure it allows connections from the SAP application server's IP address.
  Monitor Database Resources: Check the database server for resource limitations, such as maximum connections or CPU/memory usage.
  Driver Installation: Ensure that the correct database driver is installed and configured in the SAP system.
  SAP Notes: Check for any relevant SAP Notes that may address known issues with the specific database version or SAP version you are using.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like DBACOCKPIT to monitor database connections and performance.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed logs and error messages.
  Documentation: Refer to the official SAP documentation for your specific version and database type for detailed configuration steps and troubleshooting guidelines.
  
  By systematically checking these areas, you should be able to identify and resolve the cause of the S10026 error message.