How To Fix UMC104 - The RFC destinatation '&' does not exist; use the F4 help

SAP Error Message - Details

• Message type: E = Error

• Message class: UMC - General Messages

• Message number: 104

• Message text: The RFC destinatation '&' does not exist; use the F4 help

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 UMC104 - The RFC destinatation '&' does not exist; use the F4 help ?

  The SAP error message UMC104 indicates that there is an issue with the Remote Function Call (RFC) destination specified in your configuration. This error typically occurs when the system is unable to find the specified RFC destination, which is necessary for communication between different SAP systems or between an SAP system and an external system.
  Cause:
  
  Non-existent RFC Destination: The specified RFC destination does not exist in the system.
  Incorrect Configuration: The RFC destination may be incorrectly configured or misspelled.
  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 specified destination.
  
  Solution:
  
  
  Check RFC Destination:
  
  Go to transaction code SM59 in the SAP GUI.
  Look for the specified RFC destination in the list. If it does not exist, you will need to create it.
  If it exists, ensure that it is correctly configured (check the connection parameters, target host, and system number).
  
  
  
  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 target host, system number, and logon credentials.
  Test the connection using the "Connection Test" button to ensure it is working correctly.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the RFC destination. This may involve checking roles and profiles assigned to the user.
  
  
  
  Network Configuration:
  
  Verify that there are no network issues preventing access to the target system. This may involve checking firewall settings, network routes, or DNS configurations.
  
  
  
  Use F4 Help:
  
  If you are unsure about the correct RFC destination name, use the F4 help in the relevant field to see a list of available RFC destinations.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC destinations.
  SU01: User maintenance (to check user authorizations).
  ST22: Dump analysis (if applicable).
  
  
  
  Documentation: Refer to SAP Help documentation for more details on configuring RFC destinations and troubleshooting connectivity issues.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to RFC destinations or the UMC104 error.
  
  
  By following these steps, you should be able to resolve the UMC104 error and ensure that the RFC destination is correctly configured and accessible.