How To Fix RSO368 - No RFC connection to system &1: &2&3&4

SAP Error Message - Details

• Message type: E = Error

• Message class: RSO - BW Repository

• Message number: 368

• Message text: No RFC connection to system &1: &2&3&4

What causes this issue?

No RFC connection for the selected system &V1& could be made.

System Response

No Metadata was imported by this system, or exported into this system.

How to fix this error?

If this message contains the note that a function module does not exist
then you chose a BW system that does not have Release 2.0B or higher.
It is not possible to import or export Metadata for these systems.
Otherwise check the RFC destination (transaction SM59) and make the
connection again.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSO368 - No RFC connection to system &1: &2&3&4 ?

  The SAP error message RSO368 indicates that there is no Remote Function Call (RFC) connection to the specified system. This error typically occurs in scenarios where SAP systems need to communicate with each other, such as in data extraction, reporting, or when using SAP Business Warehouse (BW) functionalities.
  Causes:
  
  
  RFC Destination Configuration: The RFC destination may not be correctly configured in the SAP system. This could be due to incorrect parameters, such as the target system's hostname, system number, or client number.
  
  
  Network Issues: There may be network connectivity issues between the SAP systems. This could include firewall settings, network outages, or incorrect routing.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  
  
  Target System Down: The target SAP system may be down or not reachable due to maintenance or other issues.
  
  
  SAP Gateway Issues: The SAP Gateway service may not be running on the target system, preventing the connection.
  
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination that corresponds to the target system.
  Verify that the connection parameters (like hostname, system number, and client) are correct.
  Test the connection using the "Test Connection" button.
  
  
  
  Network Connectivity:
  
  Ensure that there are no network issues preventing communication between the systems.
  Check firewall settings to ensure that the necessary ports for RFC communication are open.
  
  
  
  User Authorizations:
  
  Verify that the user credentials used for the RFC connection have the necessary authorizations in both the source and target systems.
  
  
  
  Check Target System Status:
  
  Ensure that the target SAP system is up and running. You can check this by trying to log in to the target system directly.
  
  
  
  SAP Gateway:
  
  Check if the SAP Gateway service is running on the target system. You can do this by using transaction SMGW to monitor the gateway.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the developer trace files (transaction ST11) for any additional error messages that might provide more context.
  
  
  
  Related Information:
  
  RFC Connection Types: Understand the different types of RFC connections (e.g., TCP/IP, HTTP) and their configurations.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC connections.
  Documentation: Review SAP documentation on setting up and troubleshooting RFC connections for more detailed guidance.
  
  By following these steps, you should be able to identify and resolve the cause of the RSO368 error message in your SAP environment.