- ONTAP 9 and later
- No, it is not possible to create user mapping / name mapping on specific CIFS shares or folder / sub folder level.
- User mapping can be created at SVM level.
For more information on how to create user mapping / name mapping, please refer to below KB's.
- Understanding name-mapping in a multiprotocol environment
- How to create and understand vserver name-mapping rules in clustered Data ONTAP