Fix duplicate IP address conflicts on a DHCP network


If you defined a static IP address for a network device, duplicate IP address conflicts may occur on a DHCP network. See more details.

To resolve it, convert the network device with the static IP address to a DHCP client. Or, you can exclude the static IP address from the DHCP scope on the DHCP server.

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Common scenarios of duplicate IP address conflicts


Scenario 1

A static IP address is defined for a network device, for example, a printer. When you install a DHCP server, duplicate IP address conflicts may occur between the network device and a DHCP client computer (running Windows for Workgroups or Windows NT).

Scenario 2

You manually define static IP addresses for network devices and computers during a network link failure to a DHCP server. When the link is then reestablished, the conflict occurs.