IP address is assigned by DHCP by default, so set Static IP address for Server usage. This example shows to set only IPv4 address.
Run [Server Manager] and select [Local Server] on the left pane and click [Ethernet] section on the right pane.
After setting static IP address, changes are enabled on Server Manager.
useful links
https://www.server-world.info/en/note?os=Windows_Server_2016&p=initial_conf&f=4
useful links
https://www.server-world.info/en/note?os=Windows_Server_2016&p=initial_conf&f=4