How To Fix ESH_REMSEARCH021 - Connection ID must not be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_REMSEARCH - ES Remote Search

• Message number: 021

• Message text: Connection ID must not 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_REMSEARCH021 - Connection ID must not be changed ?

  The SAP error message ESH_REMSEARCH021 ("Connection ID must not be changed") typically occurs in the context of the SAP Enterprise Search (SAP ESH) when there is an issue with the connection ID used for remote search services. This error indicates that the connection ID being used in a search request is not valid or has been altered in a way that is not permitted.
  Causes:
  
  Incorrect Configuration: The connection ID may have been incorrectly configured in the system settings or in the search application.
  Changes in Connection ID: If the connection ID was changed after it was initially set up, the system may not recognize the new ID.
  System Updates or Migrations: Changes due to system upgrades or migrations can sometimes lead to inconsistencies in connection IDs.
  Authorization Issues: The user may not have the necessary permissions to access the connection ID being used.
  
  Solutions:
  
  Check Configuration: Verify the configuration settings for the connection ID in the SAP ESH settings. Ensure that the connection ID is correctly defined and matches the expected value.
  Revert Changes: If the connection ID was recently changed, consider reverting it to the original value that was working previously.
  Review System Logs: Check the system logs for any additional error messages or warnings that may provide more context about the issue.
  User Authorization: Ensure that the user executing the search has the necessary authorizations to access the connection ID.
  Consult Documentation: Refer to the SAP documentation for Enterprise Search to ensure that all settings are correctly configured.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it is related to a system upgrade or migration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on configuration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Version: Ensure that you are aware of the specific version of SAP you are using, as solutions may vary between versions.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the ESH_REMSEARCH021 error message.