CTS_CONFIG_MSG_CL139 - RFC connections could not be validated

SAP Error Message - Details

• Message type: E = Error

• Message class: CTS_CONFIG_MSG_CL - Message Class for Central CTS Configuration

• Message number: 139

• Message text: RFC connections could not be validated

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

AnswerBot

• What is the cause and solution for SAP error message CTS_CONFIG_MSG_CL139 - RFC connections could not be validated ?

  The SAP error message CTS_CONFIG_MSG_CL139 indicates that there is an issue with the RFC (Remote Function Call) connections that are used in the Change and Transport System (CTS) configuration. This error typically arises when the system is unable to validate the RFC connections that are defined in the CTS configuration.
  Causes:
  
  Incorrect RFC Destination: The RFC destination may not be correctly configured or may not exist.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Network Issues: There may be network connectivity problems between the systems involved.
  System Configuration: The target system may not be properly configured to accept RFC connections.
  Transport Directory Issues: Problems with the transport directory or transport routes can also lead to this error.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 and verify the configuration of the RFC destination.
  Test the connection to ensure it is working correctly.
  
  
  
  Verify Authorizations:
  
  Ensure that the user used in the RFC destination has the necessary authorizations to perform the required actions.
  Check the roles and profiles assigned to the user.
  
  
  
  Network Connectivity:
  
  Ensure that there are no firewall or network issues preventing the connection.
  Use tools like ping or telnet to check connectivity to the target system.
  
  
  
  System Configuration:
  
  Check the configuration of the target system to ensure it is set up to accept RFC connections.
  Ensure that the SAP Gateway is running on the target system.
  
  
  
  Transport Directory:
  
  Verify the transport directory settings in transaction STMS.
  Ensure that the transport routes are correctly defined and that the transport directory is accessible.
  
  
  
  Check Logs:
  
  Review the system logs (transaction SM21) and the developer traces (transaction ST22) for any additional error messages that may provide more context.
  
  
  
  Reconfigure RFC:
  
  If necessary, delete and recreate the RFC destination to ensure it is correctly set up.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  STMS: Transport Management System
  SM21: System Log
  ST22: Dump Analysis
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Documentation: Refer to the official SAP documentation for detailed information on configuring RFC connections and the Change and Transport System.
  
  
  By following these steps, you should be able to identify and resolve the issue causing the CTS_CONFIG_MSG_CL139 error. If the problem persists, consider reaching out to SAP support for further assistance.