How to setup ESH (Enterprise Search) after system refresh

[SAPSupport]

The question is: how to proceed to setup ESH after a system refresh in an S/4HANA system.

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[ander_gonzalezdemiguel]

Also, if the performance of the task lists is poor, refer to these notes:

3359670 - ESH task list SAP_ESH_INITIAL_SETUP_WRK_CLIENT taking a long time

3242198 - ESH Authorization Indexing for Objects ACCOUNTING_DOC_H and ACCT_DOC_LINEITEM_H takes extremely long