Applies to ONTAP 9 Answer ONTAP 9 does not support changing default SMB ports (i.e. TCP port 139/445). Additional Information For more information, see article: What ports need to be open to allow acc...Applies to ONTAP 9 Answer ONTAP 9 does not support changing default SMB ports (i.e. TCP port 139/445). Additional Information For more information, see article: What ports need to be open to allow access to ONTAP and which port numbers are used for communications?