How To Fix MDG_COMM_ARRANGEMENT004 - RFC destination &1 may only be entered for one business system

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_COMM_ARRANGEMENT - MDG Communication Arrangement

• Message number: 004

• Message text: RFC destination &1 may only be entered for one business system

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_COMM_ARRANGEMENT004 - RFC destination &1 may only be entered for one business system ?

  The SAP error message MDG_COMM_ARRANGEMENT004 indicates that there is an issue with the configuration of RFC (Remote Function Call) destinations in the context of SAP Master Data Governance (MDG). Specifically, the error states that the specified RFC destination can only be assigned to one business system, but it appears to be assigned to multiple systems.
  Cause:
  The root cause of this error is typically due to the following reasons:
  
  Duplicate RFC Destination Assignment: The RFC destination specified in the error message is assigned to more than one business system in the MDG configuration.
  Configuration Error: There may be a misconfiguration in the MDG setup where the same RFC destination is incorrectly linked to multiple business systems.
  System Landscape Issues: In a complex system landscape, it is possible that the same RFC destination is being used across different systems, leading to conflicts.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Look for the RFC destination mentioned in the error message.
  Verify the configuration and ensure that it is only assigned to one business system.
  
  
  
  Review Business System Assignments:
  
  Navigate to the MDG configuration settings (transaction MDGIMG).
  Check the business system assignments and ensure that the RFC destination is not duplicated across multiple business systems.
  
  
  
  Adjust Assignments:
  
  If you find that the RFC destination is assigned to multiple business systems, you will need to decide which business system should retain the assignment.
  Remove the RFC destination from the business systems that should not be using it.
  
  
  
  Test the Configuration:
  
  After making the necessary adjustments, test the configuration to ensure that the error no longer occurs.
  You can do this by trying to execute the process that triggered the error initially.
  
  
  
  Documentation and Monitoring:
  
  Document the changes made for future reference.
  Monitor the system to ensure that the issue does not recur.
  
  
  
  Related Information:
  
  RFC Destinations: These are used in SAP to enable communication between different SAP systems or between SAP and non-SAP systems.
  MDG Configuration: Master Data Governance requires careful configuration of business systems, RFC destinations, and data models to function correctly.
  SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional insights or updates related to this error message.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance, as they may have additional tools or insights to help resolve the problem.