Windows servers unable to see disks/LUNs post ONTAP upgrade Last updated Oct 26, 2022 Save as PDF Share Share Tweet Share Views:117Visibility:PublicVotes:0Category:ontap-9Specialty:sanLast Updated:10/26/2022, 11:59:37 AM Applies to ONTAP upgrade from 9.5 to 9.7P14 SAN Configurations Windows servers Issue Following an ONTAP upgrade from 9.5 to 9.7, LUNs went missing from Windows hosts causing an outage.