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    • CONTAP-51950: CIFS domain tunnel authentication fails for Active Directory when NTLM is not allowed
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-Issues/CONTAP-51950
      Issue Domain tunnel authentication for Active Directory (AD) using CIFS fails when only Kerberos is allowed and NTLM is not set. If the "CIFS server minimum security level" or the "LMCompatibilityLeve...Issue Domain tunnel authentication for Active Directory (AD) using CIFS fails when only Kerberos is allowed and NTLM is not set. If the "CIFS server minimum security level" or the "LMCompatibilityLevel" is set to "krb" (Kerberos only), then this issue occurs during the admin CIFS domain tunnel authentication.