How To Fix CMS173 - RFC destination &1 is using gateway (&2 / &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: CMS - KPro: Content Management Service

• Message number: 173

• Message text: RFC destination &1 is using gateway (&2 / &3)

What causes this issue?

The RFC destination &V1& does not have the standard values. The RFC
destination &V1& is using a gateway (&V2& / &V3&).

System Response

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

How to fix this error?

Procedure for System Administrators

Delete RFC destination &V1& (<DS:TRAN.SM59>Defining RFC destinations
</>). If necessary, the system automatically re-creates the destination
with the standard values.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CMS173 - RFC destination &1 is using gateway (&2 / &3) ?

  The SAP error message CMS173 indicates an issue with the RFC (Remote Function Call) destination configuration in your SAP system. Specifically, it suggests that the RFC destination is using a gateway that is not properly configured or is experiencing issues.
  Cause:
  
  Gateway Configuration Issues: The specified gateway might not be correctly set up or might be down.
  Network Issues: There could be network connectivity problems between the SAP systems.
  Incorrect RFC Destination Settings: The RFC destination might have incorrect parameters, such as the wrong gateway host or service.
  Multiple Instances: If multiple instances of the SAP system are running, there might be conflicts in the gateway settings.
  
  Solution:
  
  
  Check Gateway Configuration:
  
  Use transaction code SMGW to check the status of the gateway. Ensure that the gateway is running and properly configured.
  Verify the gateway host and service settings in the RFC destination.
  
  
  
  Verify RFC Destination:
  
  Go to transaction code SM59 to check the configuration of the RFC destination.
  Ensure that the target system's connection parameters (like the gateway host and service) are correct.
  
  
  
  Network Connectivity:
  
  Test the network connection between the systems. You can use tools like ping or telnet to check connectivity to the gateway host and port.
  Ensure that firewalls or network policies are not blocking the connection.
  
  
  
  Check for Multiple Instances:
  
  If you have multiple SAP instances, ensure that they are not conflicting with each other regarding the gateway settings.
  
  
  
  Restart Gateway:
  
  If the gateway is down or unresponsive, consider restarting it. This can sometimes resolve transient issues.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) for any related error messages that might provide more context on the issue.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SMGW: Gateway Monitor
  SM59: RFC Destinations
  SM21: System Log
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring RFC destinations and troubleshooting gateway issues.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address specific issues related to RFC destinations and gateways.
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis team or SAP support for further assistance.