How To Fix ESH_CM_SYS_COUP_MSG049 - System pair with system itself is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_CM_SYS_COUP_MSG - Texts for Top Level Info Tagging

• Message number: 049

• Message text: System pair with system itself is not allowed

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 ESH_CM_SYS_COUP_MSG049 - System pair with system itself is not allowed ?

  The SAP error message ESH_CM_SYS_COUP_MSG049 indicates that there is an issue with the configuration of system pairs in the SAP system. Specifically, this error occurs when a system is trying to pair with itself, which is not allowed in the context of system coupling or system landscape configuration.
  Cause:
  The primary cause of this error is an incorrect configuration where a system is mistakenly set to be paired with itself. This can happen due to:
  
  Misconfiguration: During the setup of system coupling, the same system identifier is used for both systems in the pair.
  Data Entry Error: Manual entry errors when defining system pairs in the configuration settings.
  System Landscape Changes: Changes in the system landscape that have not been properly reflected in the configuration.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check System Pair Configuration:
  
  Go to the configuration settings for system coupling in your SAP system.
  Verify the entries for system pairs and ensure that no system is paired with itself.
  
  
  
  Correct the Configuration:
  
  If you find that a system is incorrectly paired with itself, remove or correct the entry.
  Ensure that each system is paired with a different, valid system.
  
  
  
  Review Documentation:
  
  Consult the SAP documentation or help resources related to system coupling and landscape configuration to ensure that you are following the correct procedures.
  
  
  
  Test the Configuration:
  
  After making changes, test the configuration to ensure that the error no longer occurs and that the systems can communicate as intended.
  
  
  
  Consult SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for further assistance. They can provide guidance based on your specific system setup and configuration.
  
  
  
  Related Information:
  
  System Coupling: This refers to the configuration that allows different SAP systems to communicate and share data. Proper configuration is essential for system integration and data consistency.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to system configuration, such as SICF for service configuration or SM59 for RFC destination configuration, which may help in diagnosing the issue.
  
  By following these steps, you should be able to resolve the error and ensure proper system coupling in your SAP environment.