If you run a packet capture on the wired interface of the AP on which the client is connected, do you see the full DORA exchange as a client tries to associate with the network? It's been a while since my windows days, I assume it should only populate the lease table after the Ack back from the endpoint? On the client itself, do you see the entire IP assignment configured as expected, IP, mask, gateway, VLAN? Does the communication only not work if going towards the internet? Are you able to ping the gateway? Could you have some L3 block, possibly a missing return route upstream of the MS? Are the wired clients on the same VLAN as the wireless clients?
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