How To Fix RSOS134 - RFC connection failed for &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSOS - Message class for BI Metadata Search with TREX

• Message number: 134

• Message text: RFC connection failed for &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSOS134 - RFC connection failed for &1 ?

  The SAP error message RSOS134, which states "RFC connection failed for &1," typically indicates that there is an issue with the Remote Function Call (RFC) connection to a specified system or instance. This error can occur in various scenarios, such as when trying to connect to a different SAP system or when executing a remote function module.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems.
  Incorrect 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.
  System Availability: The target SAP system may be down or not reachable.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection.
  SAP Gateway Issues: The SAP Gateway service may not be running or may be misconfigured.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the target system is reachable from the source system.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination (e.g., TCP/IP settings, target host, and service).
  Test the connection using the "Connection Test" button.
  
  
  
  Check User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to access the target system.
  
  
  
  Check System Availability:
  
  Verify that the target SAP system is up and running. You can check this by logging into the target system directly.
  
  
  
  Review Firewall Settings:
  
  Ensure that any firewalls between the systems allow traffic on the required ports for RFC communication (typically port 3200 for SAP).
  
  
  
  Check SAP Gateway:
  
  Ensure that the SAP Gateway service is running on the target system. You can check this in transaction SMGW.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the developer trace files (transaction ST22) for any additional error messages that might provide more context.
  
  
  
  Related Information:
  
  RFC Destinations: RFC destinations are defined in transaction SM59. They can be of different types, such as TCP/IP connections, ABAP connections, etc.
  SAP Notes: Check SAP Notes for any known issues or patches related to RFC connections.
  Documentation: Refer to SAP Help documentation for detailed information on configuring and troubleshooting RFC connections.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.