How To Fix EHSB_RC004 - Invalid RFC connection &1

SAP Error Message - Details

• Message type: E = Error

• Message class: EHSB_RC - Compliance Check

• Message number: 004

• Message text: Invalid RFC connection &1

What causes this issue?

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

System Response

How to fix this error?

Check the following RFC connections:
The RFC connection entered on the initial screen of the compliance check
You only see the corresponding parameter on the initial screen if you
have the necessary authorizations.
The RFC connection specified in Customizing under
<DS:SIMG.EHSBC_RC_PARA><ls>Set Up Technical Parameters</></>.
Contact your system administrator if you do not have the necessary
authorization.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EHSB_RC004 - Invalid RFC connection &1 ?

  The SAP error message EHSB_RC004 Invalid RFC connection &1 typically indicates that there is an issue with the Remote Function Call (RFC) connection in the SAP system. This error can occur in various contexts, particularly when trying to access external systems or services that rely on RFC connections.
  Causes:
  
  Incorrect RFC Destination: The RFC destination specified may not be correctly configured or may not exist.
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  System Configuration: The target system may not be properly configured to accept RFC calls.
  Service Unavailability: The external service or system may be down or not reachable.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Verify that the RFC destination specified in the error message exists and is correctly configured.
  Test the connection using the "Test Connection" button to ensure it is working.
  
  
  
  Network Connectivity:
  
  Ensure that there are no network issues preventing the SAP system from reaching the target system.
  Check firewall settings and network routes.
  
  
  
  User Authorizations:
  
  Verify that the user credentials used for the RFC connection have the necessary authorizations to access the target system.
  Check the user roles and profiles in transaction SU01.
  
  
  
  System Configuration:
  
  Ensure that the target system is configured to accept RFC calls. This may involve checking settings in the target system's configuration.
  
  
  
  Check Service Status:
  
  If the RFC connection is to an external service, ensure that the service is up and running.
  Check logs in the target system for any errors or issues.
  
  
  
  Review Logs:
  
  Check the SAP system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages that may provide more context.
  
  
  
  Related Information:
  
  RFC (Remote Function Call): A protocol used in SAP systems to enable communication between different SAP systems or between SAP and non-SAP systems.
  Transaction Codes:
  
  SM59: Manage RFC destinations.
  SU01: User maintenance.
  SM21: System log.
  SLG1: Application log.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to RFC connections.
  
  If the problem persists after checking these areas, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.