Win7 DHCP and Wireless laptop 169.254...

[Marcus Warrington <marcus.warrington@xxxxxxxxxx>]

Can anyone with better networking skills than me help me out please.

I have a couple of laptops at home one is XP and the other was upgraded
(reinstalled) to Win7. The problem is that although the XP machine will
connect and work with DHCP the win7 machine will on work with a static IP.
If I set it to DHCP it always ends up with a 169.254... address which I
believe is what windows7 does when it can't find a DHCP server.

The DHCP server is the sky router (that connects to the BT openreach fibre
box). As I say if I change to a static IP it all works fine so to me this
proves that the wifi is all setup correctly, and when it was on XP it
connected fine with DHCP which would to some degree prove the routers DHCP
was working OK.

I've tried disabling IPv6 on the windows 7 machine but it hasn't helped.
Has anyone any idea why Win7 fails to negotiate a connection ?

Marcus



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