How To Fix PO346 - No server definitions for external RFC destinations

SAP Error Message - Details

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 346

• Message text: No server definitions for external RFC destinations

What causes this issue?

You tried to select a server name. In this case, however, this is an
external destination for an OMS. There is no server definition for this
destination in the spool system.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PO346 - No server definitions for external RFC destinations ?

  The SAP error message "PO346 No server definitions for external RFC destinations" typically indicates that the system is unable to find the necessary configuration for the specified Remote Function Call (RFC) destination. This can occur in various scenarios, particularly when trying to connect to an external system or service.
  Cause:
  
  Missing RFC Destination: The specified RFC destination does not exist in the SAP system.
  Incorrect Configuration: The RFC destination may exist but is not configured correctly (e.g., incorrect connection parameters).
  Authorization Issues: The user may not have the necessary authorizations to access the RFC destination.
  Network Issues: There may be network connectivity issues preventing access to the external system.
  System Configuration: The SAP system may not be properly configured to handle external RFC calls.
  
  Solution:
  
  
  Check RFC Destination:
  
  Go to transaction code SM59 in the SAP GUI.
  Look for the RFC destination that is causing the error.
  Ensure that the destination is defined and configured correctly.
  
  
  
  Create or Update RFC Destination:
  
  If the destination does not exist, create a new one.
  If it exists but is misconfigured, update the connection parameters (e.g., target host, system number, client, user credentials).
  
  
  
  Test the RFC Connection:
  
  In SM59, select the RFC destination and use the "Connection Test" button to verify that the connection can be established successfully.
  
  
  
  Check Authorizations:
  
  Ensure that the user or service account being used to make the RFC call has the necessary authorizations to access the destination.
  
  
  
  Review Network Configuration:
  
  Check for any firewall or network issues that may be blocking the connection to the external system.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that may address specific issues related to the error message or the RFC destination.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  ST22: Dump Analysis (to check for any runtime errors)
  SLG1: Application Log (to check for logs related to the error)
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring RFC destinations and troubleshooting connectivity issues.
  
  
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to identify and resolve the issue related to the "PO346 No server definitions for external RFC destinations" error message.