Net Tip: Remotely Change Static IP to DHCP

The occasion may arise that you may want to change a remote machine on your network from a static IP to a dynamic one (DHCP), or vice versa. Assuming you have Administrator rights, you can do so without leaving your desk. Here's how...

By Enterprise Networking Planet Staff | Posted Nov 15, 2002
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The occasion may arise that you may want to change a remote machine on your network from a static IP to a dynamic one (DHCP), or vice versa. Assuming you have Administrator rights, you can do so without leaving your desk through the following means:

  • Run regedt32. (You could also use regedit, but for these purposes the regedt32 interface is easier.)
  • Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkCards\1 and record the ServiceName value. (Depending on circumstances, you may need to record from a different card.)
  • Navigate to HKEY_LOCAL_MACHINE\SYSTEM\ CurrentControlSe\tServices\[ServiceName]\Parameters\TCPIP
    ([ServiceName]
    is the name you recorded in the previous step.)
  • Change the values of EnableDHCP to 1 and IPAddress And SubnetMask to 0.0.0.0.
  • Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DHCP and change the Start value to 2.

You can reverse this procedure as well, but then the remote machine will require a reboot.

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