How To Fix STEP094 - No RFC server can be reached.

SAP Error Message - Details

• Message type: E = Error

• Message class: STEP - ISO 10303 STEP Mapping Messages

• Message number: 094

• Message text: No RFC server can be reached.

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 STEP094 - No RFC server can be reached. ?

  The SAP error message "STEP094 No RFC server can be reached" typically indicates that the system is unable to connect to a Remote Function Call (RFC) server. This can occur in various scenarios, such as when trying to execute a remote function module or when a background job is trying to communicate with another SAP system or service.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the RFC destination.
  RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system (transaction SM59).
  Server Availability: The target RFC server may be down or not available.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the RFC server.
  SAP Instance Issues: The SAP instance you are trying to connect to may not be running or may have encountered an error.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the network connection to the RFC server is active.
  Ensure that there are no network outages or issues.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 and check the configuration of the RFC destination.
  Ensure that the connection type is correct (e.g., TCP/IP) and that the target host and service are correctly specified.
  
  
  
  Check Server Availability:
  
  Ensure that the target SAP system or service is up and running.
  You can check the status of the SAP instance using transaction SM51 or by checking the system logs.
  
  
  
  Review User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to access the target system.
  
  
  
  Firewall and Security Settings:
  
  Check if there are any firewall rules that might be blocking the connection to the RFC server.
  Ensure that the necessary ports are open for communication.
  
  
  
  Check SAP Instance Logs:
  
  Review the logs of the SAP instance for any errors or warnings that might indicate issues with the RFC connection.
  
  
  
  Test the RFC Connection:
  
  In transaction SM59, you can test the RFC connection to see if it is working correctly. This can help identify if the issue is with the configuration or the network.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error message.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM51: List of SAP Servers
  SM21: System Log
  ST22: Dump Analysis
  SMLG: Logon Groups
  
  
  
  Documentation: Refer to SAP Help documentation for more details on RFC connections and troubleshooting.
  
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.