How To Fix /LTB/TR_UI074 - RFC destination of &1 cannot be updated to &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /LTB/TR_UI -

• Message number: 074

• Message text: RFC destination of &1 cannot be updated to &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /LTB/TR_UI074 - RFC destination of &1 cannot be updated to &2 ?

  The SAP error message /LTB/TR_UI074 RFC destination of &1 cannot be updated to &2 typically indicates an issue with the Remote Function Call (RFC) destination configuration in the SAP system. This error can occur in various scenarios, particularly when there are attempts to update or change the RFC destination settings for a specific system or service.
  Cause:
  
  Authorization Issues: The user may not have the necessary authorizations to update the RFC destination.
  Configuration Errors: There may be incorrect settings in the RFC destination configuration, such as invalid parameters or missing entries.
  Network Issues: Connectivity problems between the SAP systems can prevent updates to the RFC destination.
  Locked Entries: The RFC destination might be locked or in use by another process, preventing updates.
  System Errors: There could be underlying system issues or bugs affecting the RFC configuration.
  
  Solution:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to modify RFC destinations. This can be done by checking the user's roles and permissions in the SAP system.
  Review RFC Configuration: Go to transaction SM59 and check the configuration of the RFC destination. Ensure that all parameters are correctly set and that the destination is properly defined.
  Test Connectivity: Use the "Test Connection" feature in transaction SM59 to verify that the RFC destination can be reached and that there are no network issues.
  Unlock Entries: If the RFC destination is locked, you may need to unlock it or wait for the process that is using it to complete.
  Check System Logs: Review system logs (transaction SM21) for any related error messages that might provide more context about the issue.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address known issues or bugs related to this error message.
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destinations (Display/Maintain)
  SM21: System Log
  SU53: Authorization Check
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring RFC destinations and troubleshooting connectivity issues.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.