How To Fix RSOSC104 - Could not connect to source system &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSOSC - Scoping framework

• Message number: 104

• Message text: Could not connect to source system &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSOSC104 - Could not connect to source system &1 ?

  The SAP error message RSOSC104, which states "Could not connect to source system &1," typically occurs in the context of SAP's data extraction processes, particularly when using the SAP Business Warehouse (BW) or when trying to connect to a source system for data extraction or reporting.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the source system.
  Incorrect Configuration: The source system may not be correctly configured in the SAP system. This includes incorrect RFC (Remote Function Call) destination settings.
  Authorization Issues: The user may not have the necessary authorizations to access the source system.
  Source System Down: The source system may be down or not available at the moment.
  Incorrect Source System Name: The name of the source system specified in the connection settings may be incorrect.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the source system.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the source system is active. You can use tools like ping or telnet to test connectivity.
  Verify RFC Destination:
  
  Go to transaction code SM59 in the SAP GUI.
  Check the configuration of the RFC destination for the source system. Ensure that the connection type is correct and that the target host and service are properly defined.
  Test the connection from the RFC destination screen to ensure it is working.
  
  
  Check Authorizations: Ensure that the user has the necessary authorizations to access the source system. This may involve checking roles and profiles assigned to the user.
  Check Source System Status: Verify that the source system is up and running. If it is down, you may need to wait until it is back online.
  Correct Source System Name: Double-check the name of the source system in the configuration settings to ensure it matches the actual name of the source system.
  Firewall and Security Settings: If applicable, check firewall settings to ensure that they are not blocking the connection to the source system. You may need to work with your network/security team to resolve this.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM59 (RFC Destinations), ST22 (Dump Analysis), and SM21 (System Log) for troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for relevant notes in the SAP Support Portal.
  Logs and Traces: Review logs and traces for more detailed error messages that can provide additional context for the connection failure.
  
  By following these steps, you should be able to diagnose and resolve the RSOSC104 error effectively.