How To Fix S#443 - RFC destination & is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: S# -

• Message number: 443

• Message text: RFC destination & is not defined

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message S#443 - RFC destination & is not defined ?

  The SAP error message "S#443 RFC destination & is not defined" typically indicates that the system is trying to access a Remote Function Call (RFC) destination that has not been configured or is not available in the SAP system. This can occur in various scenarios, such as when trying to execute a function module that requires communication with another SAP system or an external system.
  Cause:
  
  Missing RFC Destination: The specified RFC destination is not defined in the SAP system.
  Incorrect Configuration: The RFC destination may be incorrectly configured or may have been deleted.
  Authorization Issues: The user may not have the necessary authorizations to access the specified RFC destination.
  Network Issues: There may be network connectivity issues preventing access to the destination.
  
  Solution:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction code SM59 in the SAP GUI.
  Look for the specified RFC destination in the list. If it is not present, you will need to create it.
  If it exists, check its configuration settings to ensure they are correct (e.g., target host, system number, client, user credentials).
  
  
  
  Create or Modify RFC Destination:
  
  If the RFC destination is missing, create a new one by clicking on the "Create" button.
  Fill in the required fields, such as the destination name, connection type (e.g., T for TCP/IP), and the target system details.
  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. This may involve checking roles and profiles assigned to the user.
  
  
  
  Network Connectivity:
  
  Verify that there are no network issues preventing access to the target system. This may involve checking firewalls, network routes, and ensuring that the target system is up and running.
  
  
  
  Check for Typographical Errors:
  
  Ensure that the RFC destination name is spelled correctly in the code or configuration where it is being called.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: To manage RFC destinations.
  ST22: To check for dumps that may provide more context on the error.
  SLG1: To view application logs that might contain additional information about the error.
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring RFC destinations and troubleshooting RFC-related issues.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address specific issues related to RFC destinations.
  
  
  By following these steps, you should be able to resolve the "RFC destination & is not defined" error in your SAP system.