ONTAP is unable to map a unix user to a Windows user from a trusted domain over a one-way trust

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Visibility:: Public

Votes:: 0

Category:: ontap-9

Specialty:: cifs

Last Updated:

Applies to

Clustered Data ONTAP
ONTAP 9
Microsoft Active Directory (AD) configured with a one-way trust

Issue

ONTAP is unable to map a UNIX user to a Windows user from a trusted domain over a one-way trust. This will typically occur when a UNIX user via NFS is accessing an export, volume, or file that is NTFS security style. If only a one-way trust exists, this mapping will fail to occur.

ONTAP will first authenticate the UNIX user and then proceed to build the Windows credential via S4U2Self (fallback to Token Groups)