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Multi Admin Verification does not work when CNAME is used
https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Multi_Admin_Verification_does_not_work_when_CNAME_is_used
Applies to ONTAP 9 Issue When using a DNS Canonical Name (CNAME) the MAV requests are sporadic and do not always come through.

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