How To Fix OIUT2157 - RFC destination &1 is invalid.

SAP Error Message - Details

• Message type: E = Error

• Message class: OIUT2 - Ownership Interface

• Message number: 157

• Message text: RFC destination &1 is invalid.

What causes this issue?

RFC destinatin &v1& is not valid.

System Response

The system cannot proceed with any outbound communications.

How to fix this error?

To see a list of valid RFC destinations or to create a new RFC
destination click <DS:TRAN.SM59>here</>

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OIUT2157 - RFC destination &1 is invalid. ?

  The SAP error message OIUT2157, which states "RFC destination &1 is invalid," typically indicates that there is an issue with the Remote Function Call (RFC) destination configuration in your SAP system. This error can occur in various scenarios, such as when trying to execute a remote function module or when integrating with other systems.
  Cause:
  
  Invalid RFC Destination: The specified RFC destination does not exist or is incorrectly configured.
  Connection Issues: The target system may be down or unreachable due to network issues.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Configuration Errors: There may be errors in the configuration settings of the RFC destination, such as incorrect parameters or missing entries.
  
  Solution:
  
  
  Check RFC Destination:
  
  Go to transaction code SM59 in your SAP system.
  Look for the RFC destination mentioned in the error message.
  Verify that the destination exists and is correctly configured.
  
  
  
  Test Connection:
  
  In transaction SM59, select the RFC destination and use the "Test Connection" button to check if the connection to the target system is successful.
  If the test fails, check the error message for more details.
  
  
  
  Review Configuration:
  
  Ensure that the connection parameters (like target host, system number, client, user, and password) are correctly set.
  If using a TCP/IP connection, ensure that the hostname and port are correct.
  
  
  
  Check Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to access the target system.
  
  
  
  Network Issues:
  
  Check for any network issues that may be preventing the connection to the target system.
  Ensure that firewalls or network security settings are not blocking the connection.
  
  
  
  Consult Logs:
  
  Check the system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages that may provide more context.
  
  
  
  Related Information:
  
  RFC Destinations: RFC destinations are defined in the SAP system to establish connections to other SAP systems or external systems. They can be of different types, such as ABAP connections, TCP/IP connections, or HTTP connections.
  Transaction Codes:
  
  SM59: Manage RFC destinations.
  SM21: System log.
  SLG1: Application log.
  
  
  Documentation: Refer to SAP Help documentation for more details on configuring RFC destinations and troubleshooting RFC-related issues.
  
  By following these steps, you should be able to identify and resolve the issue related to the RFC destination error OIUT2157.