How To Fix RS_B4HANA_RC035 - Source System not reacheable. Repair Connection.

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_B4HANA_RC -

• Message number: 035

• Message text: Source System not reacheable. Repair 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RS_B4HANA_RC035 - Source System not reacheable. Repair Connection. ?

  The SAP error message RS_B4HANA_RC035: Source System not reachable. Repair Connection. typically indicates that there is an issue with the connection between your SAP system (such as SAP BW or SAP HANA) and the source system (which could be another SAP system or a non-SAP data source). This error can occur in various scenarios, such as during data extraction, data loading, or when trying to access data from the source system.
  Causes
  
  Network Issues: There may be network connectivity problems between the SAP system and the source system.
  Incorrect Configuration: The connection settings (such as the RFC destination) may be incorrectly configured.
  Source System Down: The source system may be down or not available for some reason.
  Authorization Issues: The user credentials used for the connection may not have the necessary authorizations.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection.
  Transport Layer Security (TLS) Issues: If TLS is required, there may be issues with the certificates or the configuration.
  
  Solutions
  
  
  Check Network Connectivity:
  
  Use tools like ping or telnet to check if the source system is reachable from the SAP system.
  Ensure that there are no network outages or issues.
  
  
  
  Verify Connection Configuration:
  
  Go to transaction SM59 in the SAP GUI and check the RFC destination settings for the source system.
  Ensure that the connection type is correct (e.g., TCP/IP) and that the target host and service are correctly specified.
  
  
  
  Check Source System Status:
  
  Ensure that the source system is up and running. You may need to contact the administrator of the source system.
  
  
  
  Review User Authorizations:
  
  Ensure that the user credentials used for the connection have the necessary authorizations to access the source system.
  
  
  
  Firewall and Security Settings:
  
  Check if there are any firewall rules that might be blocking the connection. Work with your network/security team to ensure that the necessary ports are open.
  
  
  
  TLS Configuration:
  
  If TLS is being used, ensure that the certificates are correctly installed and configured. Check for any certificate expiration issues.
  
  
  
  Check Logs:
  
  Review the system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages that might provide more context.
  
  
  
  Test Connection:
  
  In transaction SM59, you can test the connection to see if it is working correctly. This can help identify if the issue is with the connection itself.
  
  
  
  Related Information
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for your specific version of SAP BW or HANA for any known issues or configuration guidelines.
  Community Forums: Consider checking SAP Community forums or other online resources for similar issues and solutions shared by other users.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further assistance.