Creating a sub-interface in Windows Server 2012 and 2016

In this manual, we discuss how to add a second IP address to the network interface (create a sub-interface).

Viewing interfaces

In the taskbar, right-click on the start button or press the keyboard shortcut Win + X.

Select 'Network Connections' in the dialog box:

Creating a sub-interface in Windows Server-menu start.png

In the window that pops up, right-click on the Ethernet network connection icon and  click Properties in the dialog box:

Creating a sub-interface in Windows Server-network connections.png

This will open the network interface configuration box. Select the component "Internet Protocol version 4 (TCP/IPv4)" and press Properties:

Creating a sub-interface in Windows Server-network connections properties.png

Adding an IP address

(Note: next, enter the values ​​of the IP addresses given to you where the last octets in the field 'IP address' show X and Y)

In the window that pops up, press Advanced:

Creating a sub-interface in Windows Server-network connections properties-advanced_0.png

Press Add in the IP Settings tab:

Creating a sub-interface in Windows Server-network connections properties-add.png

Specify additional IP address and subnet mask here, then press: Add:

Creating a sub-interface in Windows Server-network connections properties-add ip.png

Thereupon, the IP Settings tab will show two IP addresses in the list.

Complete the action by clicking  OK  in all subsequent windows.

Now you can check the availability of your server at the additional IP address by using Ping utility.

Creating a sub-interface in Windows Server-network connections properties-add resault.png

This completes the configuration of the additional IP address.

If you need, add another IP address by repeating the above steps.