How To Fix CTS_CONFIG_MSG_CL066 - Could not validate RFC connections; see message &1/&2 for details

CTS_CONFIG_MSG_CL066 - Overview

• Message type: E = Error

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

• Message number: 066

• Message text: Could not validate RFC connections; see message &1/&2 for details

What causes this issue?

The system was not able to validate the RFC connections of the system.

System Response

Validation failed.

How to fix this error?

Read the long text of error message &v1&/&v2& to get more information
about resolving the problem.
Restart the validation after the problem has been solved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CTS_CONFIG_MSG_CL066 - Could not validate RFC connections; see message &1/&2 for details ?

  The SAP error message CTS_CONFIG_MSG_CL066 indicates that there is an issue with validating RFC (Remote Function Call) connections in the Change and Transport System (CTS). This error typically arises when the system is unable to establish a connection to the specified RFC destination, which is crucial for transporting changes between different SAP systems.
  Causes:
  
  Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system.
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the target system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  System Down: The target SAP system may be down or not reachable.
  Transport Directory Issues: Problems with the transport directory or transport routes can also lead to this error.
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 and check the configuration of the RFC destination that is causing the issue.
  Test the connection using the "Test