How To Fix LTR2_ES232 - Enter a RFC destination from sender/exec. system to control system

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_ES -

• Message number: 232

• Message text: Enter a RFC destination from sender/exec. system to control system

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_ES232 - Enter a RFC destination from sender/exec. system to control system ?

  The SAP error message LTR2_ES232 indicates that there is a missing or incorrectly configured RFC (Remote Function Call) destination between the sender/exec system and the control system in the context of SAP Landscape Management (LaMa) or similar scenarios. This error typically arises when the system is trying to perform an operation that requires communication between different SAP systems, but the necessary RFC connection is not established.
  Cause:
  
  Missing RFC Destination: The RFC destination that is supposed to connect the sender/exec system to the control system is not defined in the SAP system.
  Incorrect Configuration: The existing RFC destination may be incorrectly configured, such as wrong connection parameters, incorrect user credentials, or network issues.
  Authorization Issues: The user credentials used in the RFC destination may not have the necessary authorizations to perform the required operations.
  Network Issues: There may be network connectivity issues preventing the systems from communicating.
  
  Solution:
  
  
  Create or Verify RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Check if the RFC destination for the control system exists. If it does not, create a new RFC destination.
  Ensure that the destination type is set correctly (usually "3" for a TCP/IP connection).
  Enter the correct connection parameters, including the target host, system number, and client.
  
  
  
  Test the RFC Connection:
  
  After creating or modifying the RFC destination, use the "Test Connection" feature in SM59 to ensure that the connection is working properly.
  If the test fails, check the error messages for more details on what might be wrong.
  
  
  
  Check User Credentials:
  
  Ensure that the user specified in the RFC destination has the necessary authorizations to access the control system.
  You may need to create a service user specifically for RFC connections with the appropriate roles assigned.
  
  
  
  Network Configuration:
  
  Verify that there are no firewall rules or network issues preventing communication between the systems.
  Ensure that the hostname and port specified in the RFC destination are reachable from the sender/exec system.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the developer trace (transaction ST22) for any additional error messages that might provide more context about the issue.
  
  
  
  Related Information:
  
  RFC Destinations: RFC destinations are used in SAP to define how one SAP system can communicate with another. They can be configured for various types of connections, including TCP/IP and HTTP.
  SAP Landscape Management (LaMa): This tool is used for managing SAP landscapes, including system provisioning, monitoring, and maintenance.
  Authorization Objects: Ensure that the user has the necessary authorization objects assigned, such as S_RFC for remote function calls.
  
  By following these steps, you should be able to resolve the LTR2_ES232 error and establish the necessary communication between the systems.