troubleshooting Question

Wrong DHCP server

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Docomon asked on
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We are running a network on the 10.0.0.x subnet. We have another subnet on the DMZ of our Fortigate Firewall of 10.0.1.x

We have a wireless access point that is on the 10.0.0.x subnet.

We have a Windows 2003 SBS Server that is giving out IP's on the 10.0.0.x subnet.
The Fortigate is giving out IP's on the 10.0.1.x subnet.

We have ONE laptop that keeps getting an IP from the 10.0.1.x subnet but it says it is connected to the above WAP that is on the 10.0.1.x subnet.

If I plug the network cable in, it gets an IP from the server (where it should get an address). If I connected wirelessly, it gets an address from the 10.0.1.x subnet (which doesn't get to the server or have internet access).

I have taken my laptop, Android phone, iPad, etc. in his office and on ALL THREE wireless devices I get an IP address from the 10.0.0.x subnet.

Anyone have any ideas as to how I can fix this?
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