Allowing [Remote connections] to [Windows Server Core] from a Desktop Server through your Domain network through [Computer Management] and [IIS] ([Internet Information Servers]), you will need to run some [PowerShell] and [Command Prompt] Scripts.
These scripts go along with the Full-Length Video located here.
[Windows 2016 Server Core Installation - IIS, SQL Server, ASP.NET]
The following scripts are available in the Related section below.
Source Article for this script
Renaming Network Adapters and Teaming them together«
[PowerShell for NIC Teaming]
CFFCS | CarrzSynEdit: | PS (PowerShell) 
Rename-NetAdapter -Name "Ethernet0" -NewName "NIC-1"
Rename-NetAdapter -Name "Ethernet1" -NewName "NIC-2"
Rename-NetAdapter -Name "Ethernet2" -NewName "NIC-3"
Rename-NetAdapter -Name "Ethernet3" -NewName "NIC-4"
new-NetLBFOTeam -Name "Team-VLCore-01" -TeamMembers "NIC-1", "NIC-2", "NIC-3", "NIC-4" -TeamingMode SwitchIndependent -LoadBalancingAlgorithm MacAddress

Source Article for this script
Enable Firewall rules to allow remote connections to your Server Core«
[PowerShell for Remote Management]
CFFCS | CarrzSynEdit: | PS (PowerShell) 
Enable-NetFirewallRule -DisplayName "Windows Management Instrumentation (DCOM-In)"
Enable-NetFirewallRule -DisplayGroup "Remote Event Log Management"
Enable-NetFirewallRule -DisplayGroup "Remote Service Management"
# This line does not seem to work independently, so the last line is needed.

Enable-NetFirewallRule -DisplayGroup "Remote Volume Management"
Enable-NetFirewallRule -DisplayGroup "Windows Firewall Remote Management"
Enable-NetFirewallRule -DisplayGroup "Remote Scheduled Tasks Management"
# Disk Management, without this line, we will not be able to administer our virtual disk on the server core.

Get-NetFirewallRule -DisplayGroup "Remote Volume Management" | Set-NetFirewallRule -Enabled True

[IIS] ([Internet Information Servers])
(Run the following in order.)
[divwrap=CMD (Command Prompt)]
CFFCS | CarrzSynEdit: | CMD (Windows Command Prompt) | L (Linux) 
Reg Add HKLM\Software\Microsoft\WebManagement\Server /V EnableRemoteManagement /T REG_DWORD /D 1


PowerShell
CFFCS | CarrzSynEdit: | PS (PowerShell) 
Enable-NetFirewallRule -DisplayName "World Wide Web Services (HTTP Traffic-In)"[/SQLcode]

[CMD (Command Prompt)]
CFFCS | CarrzSynEdit: | CMD (Windows Command Prompt) | L (Linux) 
net stop wmsvc
net start wmsvc
sc.exe config wmsvc = auto1

Source Article for this script
SQL Server Core Installation Script«
You must use the link above to download the installation script.


Powershell
[PowerShell for SQL Admin]
CFFCS | CarrzSynEdit: | PS (PowerShell) 
New-NetFirewallRule -DisplayName "SQL Server" -Direction Inbound -Protocol TCP -LocalPort 1433 -Action allow
New-NetFirewallRule -DisplayName "SQL Admin Connection" -Direction Inbound -Protocol TCP -LocalPort 1434 -Action allow
New-NetFirewallRule -DisplayName "SQL Database Management" -Direction Inbound -Protocol UDP -LocalPort 1434 -Action allow
New-NetFirewallRule -DisplayName "SQL Browser" -Direction Inbound -Protocol TCP -LocalPort 2382 -Action allow