How To Fix IUUC_RT005 - Error retrieving RFC destination

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_RT - IUUC Runtime Messages

• Message number: 005

• Message text: Error retrieving RFC destination

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 IUUC_RT005 - Error retrieving RFC destination ?

  The SAP error message IUUC_RT005, which indicates "Error retrieving RFC destination," typically occurs in the context of SAP Landscape Transformation (SLT) or when using Remote Function Calls (RFC) in SAP systems. This error can arise due to various reasons related to the configuration of RFC destinations or connectivity issues between systems.
  Causes:
  
  
  Incorrect RFC Destination Configuration: The RFC destination may not be correctly configured in the SAP system. This includes incorrect parameters such as the target system's hostname, system number, client, user credentials, etc.
  
  
  Network Issues: There may be network connectivity issues between the source and target systems, preventing the RFC call from being established.
  
  
  Authorization Issues: The user credentials used in the RFC destination may not have the necessary authorizations to perform the required operations.
  
  
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  
  
  SAP Gateway Issues: Problems with the SAP Gateway service can also lead to this error, as the gateway is responsible for handling RFC calls.
  
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the relevant RFC destination and check its configuration.
  Ensure that the connection type, target host, system number, client, and user credentials are correct.
  
  
  
  Test the RFC Connection:
  
  In transaction SM59, select the RFC destination and use the "Connection Test" option to verify if the connection can be established successfully.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no firewall rules or network issues blocking the connection between the systems.
  Use tools like ping or telnet to check connectivity to the target system.
  
  
  
  Review User Authorizations:
  
  Ensure that the user specified in the RFC destination has the necessary authorizations to perform the required actions in the target system.
  
  
  
  Check System Status:
  
  Verify that the target system is up and running. Check for any scheduled maintenance or downtime.
  
  
  
  Review SAP Gateway Configuration:
  
  Ensure that the SAP Gateway is properly configured and running. You can check the status of the gateway using transaction SMGW.
  
  
  
  Check Logs for More Details:
  
  Review the system logs (transaction SM21) and the developer trace files (transaction ST11) for any additional error messages that may provide more context about the issue.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring RFC destinations and troubleshooting RFC-related issues.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the IUUC_RT005 error.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the IUUC_RT005 error in your SAP environment.