How To Fix ESH_ADM_MSG159 - Search connectors exist -> TREX dest / HANA connection cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_ADM_MSG - ESH Administration and Monitoring Tool

• Message number: 159

• Message text: Search connectors exist -> TREX dest / HANA connection cannot be changed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_ADM_MSG159 - Search connectors exist -> TREX dest / HANA connection cannot be changed ?

  The SAP error message ESH_ADM_MSG159 indicates that there are existing search connectors associated with the TREX destination or HANA connection that you are trying to change. This error typically arises in the context of the SAP Enterprise Search (SAP ESH) configuration, where the system prevents changes to connections that are actively being used by search connectors.
  
  Cause:
  The primary cause of this error is that the system has detected that there are search connectors configured to use the TREX destination or HANA connection you are attempting to modify. Since these connectors rely on the existing configuration, the system restricts changes to ensure that the search functionality remains intact.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify Existing Search Connectors:
  
  Go to the SAP ESH administration area (transaction code Esh_admin).
  Check the list of search connectors that are currently configured and see which ones are using the TREX destination or HANA connection you want to