How To Fix SGSUB104 - RFC system error for destination &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SGSUB - Central Storage for Data Types and BAdIs

• Message number: 104

• Message text: RFC system error for destination &1

INCLUDE SGSUB103 OBJECT DOKU ID NA

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message SGSUB104 - RFC system error for destination &1 ?

  The SAP error message SGSUB104 indicates an RFC (Remote Function Call) system error for a specific destination. This error typically occurs when there is an issue with the connection between the SAP system and the specified RFC destination. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Target System Down: The target system may be down or not reachable.
  Firewall Restrictions: Firewalls may be blocking the connection to the target system.
  SAP Gateway Issues: The SAP Gateway service may not be running or may be misconfigured.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or telnet to check if the target system is reachable from the SAP server.
  Ensure that there are no network outages or issues.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination (e.g., TCP/IP settings, user credentials).
  Test the connection using the "Connection Test" button in SM59.
  
  
  
  Check User Authorizations:
  
  Ensure that the user specified in the RFC destination has the necessary authorizations to access the target system.
  Check the user’s roles and profiles.
  
  
  
  Check Target System Status:
  
  Ensure that the target SAP system is up and running.
  Check for any maintenance activities or downtimes.
  
  
  
  Review Firewall Settings:
  
  Ensure that the necessary ports are open in the firewall settings to allow communication between the systems.
  
  
  
  Check SAP Gateway:
  
  Ensure that the SAP Gateway service is running on both the source and target systems.
  Check the gateway logs for any errors.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: To manage RFC destinations.
  SMGW: To monitor the SAP Gateway.
  SICF: To check HTTP services if applicable.
  
  
  
  Logs and Traces:
  
  Check the system logs (transaction SM21) for any related error messages.
  Use transaction ST22 to check for dumps that may provide more context.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC errors.
  
  
  If the problem persists after checking the above points, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.