How To Fix S10029 - Database connection error on connection &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 029

• Message text: Database connection error on 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 S10029 - Database connection error on connection & ?

  The SAP error message S10029 indicates a database connection error. This error typically occurs when the SAP system is unable to establish a connection to the database. Here are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Database Server Down: The database server may be down or not reachable due to network issues.
  Incorrect Connection Parameters: The connection parameters (like hostname, port, database name, username, or password) may be incorrect.
  Database Configuration Issues: There may be issues with the database configuration or settings.
  Firewall or Network Issues: Firewalls or network configurations may be blocking the connection to the database.
  Database Instance Not Running: The specific database instance that SAP is trying to connect to may not be running.
  Resource Limitations: The database server may be experiencing resource limitations (e.g., memory, CPU) that prevent new connections.
  
  Solutions:
  
  Check Database Server 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 or checking the server status.
  Verify Connection Parameters: Double-check the connection parameters in the SAP system configuration (e.g., DB connection settings in the SAP profile or instance profile).
  Review Database Logs: Check the database logs for any errors or warnings that might indicate why the connection is failing.
  Network Configuration: Ensure that there are no firewall rules or network issues preventing access to the database server. You may need to work with your network team to resolve this.
  Restart Database Services: If the database instance is not running, restart the database services. If it is running but unresponsive, consider restarting it.
  Check Resource Usage: Monitor the resource usage on the database server to ensure it is not overloaded. If it is, consider optimizing queries or increasing resources.
  SAP Notes: Check SAP Notes for any specific patches or updates related to your version of SAP and the database you are using.
  
  Related Information:
  
  SAP Basis Team: If you are not the SAP Basis administrator, it may be necessary to involve them to resolve the issue.
  Database Documentation: Refer to the documentation for your specific database (e.g., Oracle, SQL Server, HANA) for troubleshooting connection issues.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be necessary to escalate the issue to SAP support for further assistance.