ONTAP Tools for VMware vSphere (OTV): NTV-System namespace is not available Last updated Save as PDF Share Share Tweet Share Views:83Visibility:PublicVotes:0Category:virtual-storage-console-for-vmware-vsphereSpecialty:virtLast Updated: Applies to ONTAP Tools for VMware vSphere (OTV) 10.0 and higher Issue NTV-System namespace is not available.