How To Fix /EACC/DMM019 - RFC destination for logical system '&1' could not be determined

SAP Error Message - Details

• Message type: E = Error

• Message class: /EACC/DMM -

• Message number: 019

• Message text: RFC destination for logical system '&1' could not be determined

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /EACC/DMM019 - RFC destination for logical system '&1' could not be determined ?

  The SAP error message /EACC/DMM019 RFC destination for logical system '&1' could not be determined typically indicates that the system is unable to find the RFC (Remote Function Call) destination for a specified logical system. This can occur in various scenarios, particularly when working with cross-system communication or when integrating with external systems.
  Causes:
  
  Missing RFC Destination: The RFC destination for the specified logical system is not defined in the SAP system.
  Incorrect Logical System Name: The logical system name provided in the error message may be incorrect or misspelled.
  Configuration Issues: There may be issues in the configuration of the logical systems or the RFC destinations in the SAP system.
  Authorization Issues: The user may not have the necessary authorizations to access the RFC destination.
  Network Issues: There could be network connectivity issues preventing the system from reaching the target system.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 (RFC Destinations).
  Look for the RFC destination corresponding to the logical system mentioned in the error message.
  If it does not exist, create a new RFC destination with the correct settings.
  
  
  
  Verify Logical System Configuration:
  
  Check the logical system configuration in transaction SALE (or SPRO for customizing).
  Ensure that the logical system is correctly defined and that it matches the name used in the error message.
  
  
  
  Correct Logical System Name:
  
  Verify that the logical system name used in the process is correct and matches the defined logical systems in your SAP landscape.
  
  
  
  Check Authorizations:
  
  Ensure that the user executing the transaction has the necessary authorizations to access the RFC destination.
  
  
  
  Test Connectivity:
  
  Use the Test Connection feature in transaction SM59 to check if the RFC destination can be reached.
  If there are connectivity issues, check network settings, firewalls, and ensure that the target system is up and running.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) for any additional error messages that might provide more context about the issue.
  
  
  
  Related Information:
  
  Logical Systems: Logical systems are used in SAP to represent different systems in a landscape. They are defined in the system and are used for various purposes, including ALE (Application Link Enabling) and IDoc processing.
  RFC Destinations: RFC destinations are configurations that define how to connect to other SAP systems or external systems. They include connection parameters such as the target system's hostname, system number, and client.
  ALE and IDocs: If you are working with ALE or IDocs, ensure that the necessary configurations are in place for message types and partner profiles.
  
  By following these steps, you should be able to resolve the error message /EACC/DMM019 and ensure that the RFC destination for the specified logical system is correctly configured.