How To Fix SR003 - No connection to &

SAP Error Message - Details

• Message type: E = Error

• Message class: SR - RFC utilities

• Message number: 003

• Message text: No connection to &

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 SR003 - No connection to & ?

  The SAP error message SR003 "No connection to &" typically indicates that there is an issue with the connection to a specific system or service that SAP is trying to access. The "&" symbol usually represents the name of the system or service that is not reachable.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  Service Down: The target service or system may be down or not running.
  Configuration Issues: Incorrect configuration settings in the SAP system or the target system can lead to connection failures.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection.
  Incorrect Credentials: If the connection requires authentication, incorrect credentials can prevent access.
  Timeouts: The connection may be timing out due to slow response times from the target system.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the target system is active. You can use tools like ping or traceroute to diagnose network issues.
  Verify Service Status: Check if the target service or system is up and running. If it is down, you may need to restart it or contact the system administrator.
  Review Configuration Settings: Verify the configuration settings in the SAP system (such as RFC destinations) and ensure they are correct.
  Check Firewall Settings: Ensure that firewalls are not blocking the necessary ports for communication between the systems.
  Validate Credentials: If applicable, check that the credentials used for the connection are correct and have the necessary permissions.
  Increase Timeout Settings: If timeouts are an issue, consider increasing the timeout settings in the SAP system or the target system.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the SR003 error.
  Logs: Review the SAP application logs (transaction SM21) and system logs for more detailed error messages that can provide additional context.
  Documentation: Refer to the official SAP documentation for guidance on configuring connections and troubleshooting connectivity issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.