Configuring Windows Server 2016 Core - DNS

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I just added a new server 2016 core vm to a site to act as a domain controller and dns server. BPA results give me two errors which I am finding difficult to correct with sconfig:

1. Ethernet0 should be configured to register its IP in DNS
2. Ethernet0 should include loopback, but not first...

I think 2 is ok with IPv4, but IPv6 is where I think BPA is annoyed. ::1 is the only entry there.

I don't know how to correct #1 in server core...just a checkbox in gui!

@Leslie-Bright,

Did you set Static IP and DNS?

$ipaddress = "10.0.0.2" <whatever your ip address is>
$dnsaddress = "127.0.0.1"
New-NetIPAddress -InterfaceAlias Ethernet -IPAddress $ipaddress -AddressFamily IPv4 -PrefixLength 24 <change your prefixlength to your subnet number>

Set-DnsClientServerAddress -InterfaceAlias Ethernet -ServerAddresses $dnsaddress

Restart-Computer