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

ESH_TREX_ADMIN123 - Overview

• 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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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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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