To configure your computer (tested on Windows 2000, Windows XP and Windows Server 2003) to use both a DHCP obtained IP address and a statically configured IP address follow these steps:
Configure your computer to use DHCP
- Right-click My Network Places and choose Properties.
- On the NIC that is (usually) labeled as Local Area Connection - right-click and choose Properties.
- Select TCP/IP (make sure you don't remove the check mark accidentally) and press the Properties button.
- Make sure you have "Obtain Automatically" selected.
- You can verify your settings by running ipconfig /all at a Command Prompt:
- Ok all the way out.
Add a second (or third and so on), static, IP address
- Click Start and choose Run. Enter Regedit and press Enter.
Note: On Windows 2000 and NT you need to run Regedt32 instead.
- Navigate to
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\{B003AD4A-B6DB-44FD-9741-CBA3C51B6498}
(actual GUID of the NIC may vary, select the one that represents your own NIC (from step 2 above)
- Select the IPAddress key and double click it.
- In the Edit Multi String dialog box enter a second (and third and so on) IP address. Make sure you enter each IP on a separate line. Click Ok.
- Select the SubnetMask key and double click it.
- In the Edit Multi String dialog box enter a second (and third and so on) Subnet Mask. Make sure you enter each Subnet Mask on a separate line. Click Ok.
- Close the registry editor.
- Go back to your network properties, right-click your NIC and select Disable.
- Right-click your NIC and select Enable.
- Verify your settings by running ipconfig /all at a Command Prompt:
Done!
Windows 98 users: This trick can also be accomplished with Windows 98, only there you need to modify the following registry path (instead of the one in step 2 above):
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Class\NetTransIn Windows 98 you'll also need to reboot your computer for the trick to work.
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