How To Fix RA665 - Error when creating a connection to &3: &1&2

SAP Error Message - Details

• Message type: E = Error

• Message class: RA - Monitoring structure dialog message

• Message number: 665

• Message text: Error when creating a connection to &3: &1&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 RA665 - Error when creating a connection to &3: &1&2 ?

  The SAP error message RA665 typically indicates an issue with creating a connection to a specified database or system. The message format is usually as follows:
  RA665 Error when creating a connection to &3: &1&2
  Where:
  
  &1 and &2 usually represent additional error details or codes.
  &3 represents the target system or database you are trying to connect to.
  
  Causes
  
  Network Issues: There may be network connectivity problems between the SAP system and the target database or system.
  Configuration Errors: Incorrect configuration settings in the SAP system or the target database can lead to connection failures.
  Authentication Issues: Invalid credentials or lack of permissions for the user trying to establish the connection.
  Database Availability: The target database might be down or not reachable.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection.
  Driver Issues: Missing or incompatible database drivers can prevent successful connections.
  
  Solutions
  
  Check Network Connectivity: Ensure that the SAP system can reach the target database. You can use tools like ping or telnet to test connectivity.
  Review Configuration Settings: Verify the connection parameters in the SAP system (e.g., connection type, host, port, database name).
  Validate Credentials: Ensure that the username and password used for the connection are correct and that the user has the necessary permissions.
  Check Database Status: Confirm that the target database is up and running and that there are no issues on the database server.
  Firewall and Security Settings: Review firewall rules and security settings to ensure that they allow traffic between the SAP system and the target database.
  Update or Install Drivers: Make sure that the appropriate database drivers are installed and up to date in the SAP system.
  
  Related Information
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to the RA665 error. SAP Notes often provide detailed troubleshooting steps and solutions.
  Logs: Review the SAP application logs (transaction SLG1) and system logs (transaction SM21) for additional error messages or context that may help diagnose the issue.
  Documentation: Refer to the official SAP documentation for the specific database you are trying to connect to for any additional configuration requirements.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis team or SAP support for further assistance.