How To Fix T5520 - RFC destination is initial, specify a new or existing RFC destination

SAP Error Message - Details

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 520

• Message text: RFC destination is initial, specify a new or existing RFC destination

What causes this issue?

The RFC destination has not been specified.

How to fix this error?

Specify the RFC destination that you want to maintain or create. You
can select existing RFC destinations using the input help (F4).

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message T5520 - RFC destination is initial, specify a new or existing RFC destination ?

  The SAP error message "T5520 RFC destination is initial, specify a new or existing RFC destination" typically occurs when the system is trying to access a Remote Function Call (RFC) destination that has not been defined or is not properly configured. This can happen in various scenarios, such as when trying to execute a function module that requires an RFC connection to another SAP system or an external system.
  Cause:
  
  Missing RFC Destination: The specified RFC destination does not exist in the system.
  Incorrect Configuration: The RFC destination exists but is not configured correctly (e.g., incorrect connection parameters).
  Authorization Issues: The user may not have the necessary authorizations to access the specified RFC destination.
  System Settings: The system settings may not be properly configured to recognize the RFC destination.
  
  Solution:
  
  
  Check RFC Destination:
  
  Go to transaction code SM59 in the SAP GUI.
  Check if the required RFC destination is listed. If it is not, you will need to create it.
  If it exists, verify that it is configured correctly (e.g., check the connection type, target host, system number, client, user, and password).
  
  
  
  Create or Modify RFC Destination:
  
  If the RFC destination does not exist, create a new one by clicking on the "Create" button in SM59.
  Fill in the necessary details, such as the connection type (e.g., TCP/IP), target host, and system number.
  Test the connection using the "Connection Test" button to ensure it is working correctly.
  
  
  
  Check Authorizations:
  
  Ensure that the user executing the function has the necessary authorizations to access the RFC destination.
  Check the roles and profiles assigned to the user.
  
  
  
  Review System Settings:
  
  Ensure that the SAP system is properly configured to recognize the RFC destination.
  Check for any network issues that might prevent the connection to the target system.
  
  
  
  Consult Documentation:
  
  If you are unsure about the configuration parameters, refer to the SAP documentation or consult with your SAP Basis team for assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC destinations.
  SE37: Function module maintenance (to check the function module that is causing the error).
  SU53: Check authorization issues after an error occurs.
  
  
  
  RFC Types:
  
  T: TCP/IP connections.
  G: Group connections.
  H: HTTP connections.
  S: Secure connections.
  
  
  
  Common Troubleshooting Steps:
  
  Check the SAP kernel version and ensure it is compatible with the RFC destination.
  Review system logs (transaction SM21) for any related error messages.
  If the issue persists, consider reaching out to SAP support for further assistance.
  
  
  
  By following these steps, you should be able to resolve the error related to the RFC destination being initial.