How To Fix S>483 - Combination IACOR host &/instance &/type & used in multiple destinations

SAP Error Message - Details

• Message type: E = Error

• Message class: S> -

• Message number: 483

• Message text: Combination IACOR host &/instance &/type & used in multiple destinations

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message S>483 - Combination IACOR host &/instance &/type & used in multiple destinations ?

  The SAP error message S483 indicates that there is a conflict in the configuration of the Internet Application Component (IACOR) host, instance, and type being used in multiple destinations. This typically occurs in the context of SAP's Internet Communication Framework (ICF) or when configuring RFC destinations.
  Cause:
  The error arises when the same combination of host, instance, and type is defined in multiple RFC destinations. This can lead to ambiguity in routing requests, as the system cannot determine which destination to use for a given request.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify Duplicate Destinations:
  
  Go to transaction SM59 (RFC Destinations).
  Check the list of RFC destinations and identify any duplicates that have the same combination of host, instance, and type.
  
  
  
  Modify or Delete Duplicates:
  
  If you find duplicates, you can either modify them to ensure that each destination has a unique combination of host, instance, and type or delete the unnecessary duplicates.
  Ensure that each destination is configured correctly for its intended use.
  
  
  
  Check Configuration:
  
  Review the configuration of the destinations to ensure that they are set up correctly and that there are no unintended overlaps.
  
  
  
  Test the Configuration:
  
  After making changes, test the RFC destinations to ensure that they are functioning correctly and that the error message no longer appears.
  
  
  
  Consult Documentation:
  
  If you are unsure about the configuration, refer to SAP documentation or consult with your SAP Basis team for best practices regarding RFC destination setup.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  SICF: Manage ICF Services
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error.
  System Logs: Review system logs for any additional error messages or warnings that may provide context for the issue.
  
  By following these steps, you should be able to resolve the S483 error and ensure that your RFC destinations are configured correctly without conflicts.