When using the Bulk Loader to create or modify users, there are read-only fields on the profile screen of the IM admin task called by the Bulk Loader. If these fields are included in the CSV input file, they can still be set or modified despite being read-only on the screeen. They are not marked read-only in the user store at the directory level.
The Bulk Loader and Bulk Load Client will also update fields in the CSV even if they are not listed on the profile screen.
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