How To Fix ESH_TREX_ADMIN123 - Could not determine connection GUID from logical system &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_TREX_ADMIN - TREX Indexing and Index Administration

• Message number: 123

• Message text: Could not determine connection GUID from logical system &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_TREX_ADMIN123 - Could not determine connection GUID from logical system &1 ?

  The SAP error message ESH_TREX_ADMIN123 indicates that the system is unable to determine the connection GUID from the specified logical system. This error typically occurs in the context of SAP Enterprise Search (TREX) or when dealing with the configuration of the search system.
  Cause:
  
  Missing or Incorrect Configuration: The logical system specified may not be correctly configured in the system. This could be due to missing entries in the relevant configuration tables or incorrect settings.
  Connection Issues: There may be issues with the connection to the TREX server or the logical system itself, which could prevent the system from retrieving the necessary GUID.
  Transport Issues: If the logical system was recently transported, there may be inconsistencies or missing configurations that need to be addressed.
  Authorization Issues: The user executing the operation may not have the necessary authorizations to access the logical system or the TREX configuration.
  
  Solution:
  
  
  Check Logical System Configuration:
  
  Go to transaction SM59 and verify the RFC destination for the logical system. Ensure that it is correctly configured and that the connection is working.
  Check the configuration in transaction SICF to ensure that the services related to TREX are active.
  
  
  
  Verify TREX Configuration:
  
  Use transaction TREX_ADMIN to check the TREX configuration. Ensure that the logical system is correctly defined and that the connection GUID is available.
  If necessary, reconfigure the TREX connection settings.
  
  
  
  Check Transport Requests:
  
  If the logical system was recently transported, check the transport requests to ensure that all necessary objects and configurations were included and correctly imported.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the logical system and perform the required operations. You may need to check roles and authorizations in transaction PFCG.
  
  
  
  System Logs:
  
  Check the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Restart Services:
  
  Sometimes, restarting the TREX services or the SAP application server can resolve transient issues.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for TREX and Enterprise Search for more detailed configuration guidelines.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be necessary to engage SAP support for further assistance.