How To Fix DBOSC035 - Error while connecting to database (&1); SQL error &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: DBOSC -

• Message number: 035

• Message text: Error while connecting to database (&1); SQL error &2 &3

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 DBOSC035 - Error while connecting to database (&1); SQL error &2 &3 ?

  The SAP error message DBOSC035 indicates that there was an error while trying to connect to the database. This error can occur for various reasons, and understanding the cause is essential for troubleshooting. Below are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Database Unavailability: 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: The database may not be configured correctly to accept connections from the SAP application.
  Firewall or Security Settings: Firewalls or security settings may be blocking the connection to the database.
  Resource Limitations: The database server may be experiencing resource limitations (e.g., too many connections).
  Database Driver Issues: There may be issues with the database driver or client libraries used by SAP 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 tool.
  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).
  Network Connectivity: Test the network connectivity between the SAP application server and the database server. Use tools like ping or telnet to check if the database server is reachable.
  Review Firewall Settings: Ensure that any firewalls between the SAP application and the database server allow traffic on the required ports.
  Check Database Logs: Review the database logs for any errors or warnings that might indicate why the connection is failing.
  Resource Monitoring: Monitor the database server for resource usage and connection limits. If necessary, increase the allowed connections or optimize resource usage.
  Update Database Drivers: Ensure that the database drivers and client libraries used by SAP are up to date and compatible with the database version.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific database and SAP version you are using.
  Transaction Codes: Use transaction codes like DBACOCKPIT or SM21 to monitor database connections and logs.
  Documentation: Refer to the official SAP documentation for your specific database type (e.g., Oracle, SQL Server, HANA) for configuration and troubleshooting guidelines.
  
  If the issue persists after trying the above solutions, consider reaching out to your database administrator or SAP support for further assistance.