How To Fix TB126 - RFC destination &1 does not belong to communication scenario &2

SAP Error Message - Details

• Message type: E = Error

• Message class: TB - SM31 table maintenance messages

• Message number: 126

• Message text: RFC destination &1 does not belong to communication scenario &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TB126 - RFC destination &1 does not belong to communication scenario &2 ?

  The SAP error message TB126 indicates that there is an issue with the RFC (Remote Function Call) destination not being properly configured or not belonging to the specified communication scenario. This error typically arises in scenarios involving communication between different SAP systems or between an SAP system and an external system.
  Cause:
  
  Incorrect RFC Destination: The RFC destination specified does not match the expected configuration for the communication scenario.
  Missing Configuration: The RFC destination may not be set up correctly in the SAP system.
  Authorization Issues: The user or system may not have the necessary authorizations to access the specified RFC destination.
  Communication Scenario Misconfiguration: The communication scenario may not be properly defined or may not include the specified RFC destination.
  
  Solution:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 to check the configuration of the RFC destination.
  Ensure that the destination is correctly defined and that the connection parameters (like target host, system number, client, etc.) are accurate.
  
  
  
  Verify Communication Scenario:
  
  Check the communication scenario in transaction SOAMANAGER or relevant configuration transactions.
  Ensure that the RFC destination is included in the communication scenario you are trying to use.
  
  
  
  Authorization Check:
  
  Ensure that the user or system has the necessary authorizations to access the RFC destination.
  Check the roles and profiles assigned to the user or system.
  
  
  
  Test the RFC Connection:
  
  Use the "Test Connection" feature in transaction SM59 to verify that the RFC destination is reachable and functioning correctly.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages or warnings that might provide more context.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific communication scenario and RFC destination for any additional configuration steps or requirements.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destination Configuration
  SOAMANAGER: Web Service Configuration
  SM21: System Log
  SLG1: Application Log
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC destinations and communication scenarios.
  
  
  Community Forums: Consider checking SAP Community forums or other technical forums for similar issues and solutions shared by other users.
  
  
  By following these steps, you should be able to identify and resolve the issue related to the TB126 error message.