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Found question and great answer: WMI and adding Multiple IP Addresses? However this only explains how to add multiple static IP addresses. I am looking how to configure a dynamic (DHCP) and at least one static IP address on the same NIC. But only manage to get one or the other to work. I am looking for a WMI solution for WinXP, Vista and Win7.

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up vote 4 down vote accepted

As far as I know, you can't do this to a network adapter on Windows using any method, not just WMI.

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Yeah, I don't think this is possible. I just double checked for sanity and you can't add multiple IP's to a NIC with DHCP through the GUI. – Dan Nov 15 '11 at 22:43
IIRC you can add alternative addresses to adapters with DHCP set and you can add multiple fixed IPs. But that's as far as it goes. – RobM Nov 15 '11 at 22:52
Thanks. I will do some research about maybe doing it with a virtual NIC. If I don't figure it out I'll ask a new question. – John Next Nov 16 '11 at 20:01

Here is an interesting article that does what you need but employing two steps - DHCP and registry editing.

It's not a solution per se, but can be implemented as one if you really have the need.

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