How To Fix RSDA_SYB005 - Cannot open DB connection &1 (internal error), rc = &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDA_SYB - Messages for near-line implementation for Sybase IQ

• Message number: 005

• Message text: Cannot open DB connection &1 (internal error), rc = &2

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 RSDA_SYB005 - Cannot open DB connection &1 (internal error), rc = &2 ?

  The SAP error message RSDA_SYB005 Cannot open DB connection &1 (internal error), rc = &2 typically indicates that there is an issue with establishing a database connection to a Sybase database. This error can arise due to various reasons, and understanding the cause is essential for troubleshooting.
  Possible Causes:
  
  Database Server Unavailability: The Sybase database server might be down or unreachable due to network issues.
  Incorrect Connection Parameters: The connection parameters (hostname, port, database name, username, password) might be incorrect or misconfigured.
  Database Configuration Issues: There could be issues with the database configuration itself, such as insufficient resources or misconfigured settings.
  User Permissions: The user account being used to connect to the database may not have the necessary permissions to access the database.
  Firewall or Network Issues: Firewalls or network configurations may be blocking the connection to the database server.
  SAP System Configuration: There may be issues with the SAP system configuration related to the database connection.
  
  Solutions:
  
  Check Database Server Status: Ensure that the Sybase database server is up and running. You can try to ping the server or connect using a database client.
  Verify Connection Parameters: Double-check the connection parameters in the SAP configuration. Ensure that the hostname, port, database name, username, and password are correct.
  Review Database Logs: Check the Sybase database logs for any errors or warnings that might provide more context about the connection issue.
  User Permissions: Verify that the user account has the necessary permissions to access the database. You may need to grant additional permissions if required.
  Network Configuration: Ensure that there are no firewall rules or network configurations blocking access to the database server. You may need to work with your network team to resolve any issues.
  SAP Configuration: Review the SAP configuration settings related to the database connection. Ensure that the database connection is properly defined in the SAP system.
  Test Connection: Use a database client or tool to test the connection to the Sybase database using the same parameters to ensure that the issue is not specific to the SAP system.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide specific guidance based on the version of SAP and Sybase you are using.
  Documentation: Refer to the SAP and Sybase documentation for detailed information on configuring database connections and troubleshooting connection issues.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support or your database administrator for further assistance.
  
  By systematically checking each of these areas, you should be able to identify and resolve the cause of the RSDA_SYB005 error.