Shelf firmware version downgraded following ONTAP upgrade Last updated Save as PDF Share Share Tweet Share Views:Visibility:PublicVotes:0Category:ontap-9Specialty:hwLast Updated: Applies to AFF-A90 ONTAP 9 FS4483NSM16E Issue After upgrading ONTAP from 9.15.1P11 to 9.16.1P4, the firmware version of the FS4483NSM16E shelf was observed to downgrade from 0160 to 0150