Applies to ONTAP 9 NTFS filesystem S4U2Self Trusted domains Issue NFS access temporarily denied when: Accessing an NTFS filesystem via NFS With a mapped windows user that is a member of a trusted doma...Applies to ONTAP 9 NTFS filesystem S4U2Self Trusted domains Issue NFS access temporarily denied when: Accessing an NTFS filesystem via NFS With a mapped windows user that is a member of a trusted domain That access files with ACEs containing local groups for the domain where the SVM is joined And successful access would depend on these ACEs As per SECD log, SECD tries resolving the credentials of the mapped user the SVM will attempt to contact a KDC and use S4U2Self