How To Fix RSOS001 - TREX RFC connection not maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: RSOS - Message class for BI Metadata Search with TREX

• Message number: 001

• Message text: TREX RFC connection not maintained

What causes this issue?

The TREX RFC destination in transaction RSODADMIN is not the same as in
table RSODADMIN_INT.

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?

Ensure that the TREX RFC destination is maintained in transaction
RSODADMIN and table RSODADMIN_INT.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSOS001 - TREX RFC connection not maintained ?

  The SAP error message "RSOS001 TREX RFC connection not maintained" typically indicates that there is an issue with the connection between the SAP system and the TREX (Text Retrieval and Extraction) search engine. This error can occur in various scenarios, such as when trying to perform a search operation or when accessing functionalities that rely on TREX.
  Causes:
  
  Missing RFC Connection: The RFC connection to the TREX server is not defined or is missing in the SAP system.
  Incorrect Configuration: The existing RFC connection may be incorrectly configured, leading to connection failures.
  TREX Server Issues: The TREX server may be down or not reachable due to network issues or server problems.
  Authorization Issues: The user may not have the necessary authorizations to access the TREX system.
  System Changes: Recent changes in the system landscape, such as upgrades or migrations, may have affected the RFC connection.
  
  Solutions:
  
  
  Check RFC Connection:
  
  Go to transaction code SM59 in the SAP GUI.
  Look for the TREX RFC connection (usually named something like SAP_TREX).
  Ensure that the connection is defined and configured correctly.
  
  
  
  Test the Connection:
  
  In SM59, select the TREX RFC connection and use the "Connection Test" option to verify if the connection is working properly.
  If the test fails, check the connection parameters, such as the target host, service, and any required credentials.
  
  
  
  Check TREX Server Status:
  
  Ensure that the TREX server is up and running. You may need to check the TREX administration tools or logs for any issues.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to access the TREX system. This may involve checking roles and profiles assigned to the user.
  
  
  
  Check Network Configuration:
  
  Verify that there are no network issues preventing the SAP system from reaching the TREX server. This may involve checking firewalls, routing, and DNS settings.
  
  
  
  Consult Documentation:
  
  Refer to SAP Notes and documentation related to TREX and RFC connections for any specific troubleshooting steps or known issues.
  
  
  
  Recreate the RFC Connection:
  
  If the connection is corrupted or misconfigured, consider deleting and recreating the RFC connection in SM59.
  
  
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide additional insights or solutions for this specific error.
  TREX Documentation: Review the official TREX documentation for configuration and troubleshooting guidelines.
  System Logs: Check system logs (transaction SM21) for any related error messages that may provide more context about the issue.
  
  By following these steps, you should be able to diagnose and resolve the "RSOS001 TREX RFC connection not maintained" error in your SAP system.