How To Fix CRM_KNOWLEDGE_ART009 - TREX RFC connection test failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_KNOWLEDGE_ART - Message Class for Knowledge Article

• Message number: 009

• Message text: TREX RFC connection test failed

What causes this issue?

The knowledge article search was designed to use TREX as a search
engine, but the system cannot connect to TREX using RFC.
The Software Agent Framework settings in Customizing under <LS>Customer
Relationship Management -> Enterprise Intelligence -> Software Agent
Framework </>are incorrect or incomplete.

System Response

The system uses a TREX-independent search for knowledge articles that
provides only very limited functionality.

How to fix this error?

Contact your system administrator.

Procedure for System Administrators

Choose Customizing activity <LS>Customer Relationship Management ->
Enterprise Intelligence -> Software Agent Framework -> Configure RFC
Destinations</> and check your settings for search engine "&V1&".
Call transaction SM59 to test the RFC connection "&V2&".

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_KNOWLEDGE_ART009 - TREX RFC connection test failed ?

  The SAP error message CRM_KNOWLEDGE_ART009 indicates that there is an issue with the TREX (Text Retrieval and Extraction) RFC (Remote Function Call) connection test. This error typically arises in the context of SAP CRM (Customer Relationship Management) when the system is unable to establish a connection to the TREX server, which is responsible for full-text search and indexing.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the TREX server.
  Configuration Errors: Incorrect configuration settings in the TREX or SAP system can lead to connection failures.
  TREX Server Down: The TREX server may be down or not running.
  Authorization Issues: The user or service account used for the RFC connection may not have the necessary authorizations.
  Incorrect RFC Destination: The RFC destination for TREX may be incorrectly defined in the SAP system.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Ensure that the SAP system can reach the TREX server. You can use tools like ping or telnet to test connectivity.
  
  
  
  Verify TREX Server Status:
  
  Check if the TREX server is running. You can do this by accessing the TREX administration tools or checking the server logs.
  
  
  
  Review RFC Destination:
  
  Go to transaction SM59 in the SAP GUI and check the RFC destination for TREX. Ensure that it is correctly configured with the right host, service, and connection type.
  Test the RFC connection from SM59 to see if it is successful.
  
  
  
  Check Configuration Settings:
  
  Review the TREX configuration settings in the SAP system. Ensure that the settings match the requirements for your environment.
  
  
  
  Authorization Check:
  
  Ensure that the user or service account used for the RFC connection has the necessary authorizations to access the TREX server.
  
  
  
  Review Logs:
  
  Check the SAP application logs (transaction SLG1) and TREX logs for any additional error messages that might provide more context on the failure.
  
  
  
  Restart Services:
  
  If the TREX server is running but still not connecting, consider restarting the TREX services.
  
  
  
  Related Information:
  
  TREX Documentation: Refer to the official SAP documentation for TREX for detailed configuration and troubleshooting steps.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to TREX and RFC connections.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the CRM_KNOWLEDGE_ART009 error related to the TREX RFC connection.