Specifying Alternate IP Address in Windows 8

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What Is an Alternate IP Address?

As the name specifies, an alternate IP address is the address that is specified on a client computer, and works as a substitute to the IP address that the computer receives from the DHCP server. A client computer uses an alternate IP address when it does not receive the dynamic IP address from the DHCP server.

How Alternate IP Address Is Used?

When a Windows 8 computer is configured to obtain IP address automatically from the DHCP server, every time it boots, it sends a broadcast packet to discover the DHCP server, and requests for an IP address. If the client computer successfully receives an IP address from the DHCP server, the dynamic IP address becomes functional and the client computer starts communicating with other computers using that IP address.

However, there might be situations when the client computer fails to receive a dynamic IP address from the DHCP server. Possible reasons in such cases can be unavailability of the DHCP server, unavailability of IP addresses in the DHCP address pool, etc. When this happens, and if administrators have specified an alternate IP address in the client computer, the client computer starts using the alternate IP address instead of waiting for the DHCP server to assign a dynamic address to the computer.

Considerations While Specifying Alternate IP Address

  • When specifying an alternate IP address to a client computer, administrators must ensure that the address belongs to the same IP address range that the client computer was expected to receive from the DHCP server.
  • If the computer requires access to Internet or wants to communicate with other computers in a large network, administrators must also provide correct default gateway and DNS addresses.
  • In large networks, in order to avoid IP address conflicts, administrators must always ensure that no two computers are assigned with identical IP addresses.

How to Specify Alternate IP Address?

To specify an alternate IP address to a Windows 8 computer, steps below must be followed:

  1. Use the credentials of administrator account to log on to Windows 8 computer, to which alternate IP addresses is to be assigned.
  2. Click Desktop tile from the Start screen to go to the desktop window.
  3. Once on the desktop window, hover mouse to the bottom right corner of the screen.
  4. From the displayed options in the right, click Settings.
  5. Click Control Panel from the displayed Settings pane.
  6. On the Control Panel window, click Network and Internet option.
  7. On the Network and Internet window, click Network and Sharing Center category from the right pane.

    Click Network and Sharing Center

  8. From the left pane of the Network and Sharing Center window, click Change adapter settings.

    Click Change Adapter Settings

  9. On the Network Connections window right-click the network interface card (NIC), on which alternate IP address is to be assigned.
  10. From the context menu that appears, click Properties.
  11. On network adapter’s properties box, click to select Internet Protocol Version 4 (TCP/IPv4) from This connection uses the following items list.

    Click Internet Protocol Version 4 (TCPIPv4)

  12. Once selected, click Properties.
  13. On the Internet Protocol Version 4 (TCP/IPv4) Properties box, go to the Alternate Configuration tab.
  14. Once on the selected tab, type the alternate IP address and its corresponding subnet mask in IP address and Subnet mask fields respectively.

    Specify Alternate IP Address

  15. Click OK to save the modified settings.
  16. Back on the network adapter’s properties box, click OK.
  17. Close all the opened windows when done.

Vivek Nayyar

Vivek Nayyar

Works as Systems Admin in Siskin Technologies, India. Corporate trainer on Microsoft and Cisco platforms. Specialized in Virtualization Technology. LAN Consultant for some local organizations. Technical Writer and Author.
Vivek Nayyar

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