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Cannot add ACE to DACL "The parameter is incorrect"

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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • ONTAP 9
  • CIFS

Issue

  • Windows file explorer reports The parameter is incorrect when adding an ACE to the DACL of a folder on a CIFS share
  • Packet trace:
38768 2025-09-11 08:53:40,200734 SMB2    SetInfo Request SEC_INFO/SMB2_SEC_INFO_00 File: Data\folder1
38772 2025-09-11 08:53:40,200860 SMB2    SetInfo Response, Error: STATUS_INVALID_PARAMETER

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