Vista/Windows 7 DHCP issue
Hi, We havea windos server 2003 active directory network running approx 100 windows XP clients. We recently tried connecting a windows vista (ultimate) and windows 7 machine to the network. However they would not receive ip addresses via DHCP. DHCP is provided via a windows server 2k3 server which is also a domain controller and dns server. A large number of 'bad addresses' started to appear in the list of DHCP leases until I unplugged the machines from the network. Both machines work correctly if I assign them static IP addresses.Any ideas on this one? I know there are problems if non-microsoft boxes are providing the DHCP but this does not apply to us.Thanks,Matt
July 15th, 2009 12:34pm

Naybe some clues in here:Troubleshooting Windows Vista 802.11 Wireless Connectionshttp://technet.microsoft.com/en-us/library/cc766215(WS.10).aspxor here:Troubleshooting Windows Vista Secure 802.3 Wired Connectionshttp://technet.microsoft.com/en-us/library/cc766215(WS.10).aspx
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July 15th, 2009 4:44pm

Hi,We don't run a secured network environment so these documents aren't applicable I'm afraid. Has anyone else had problems connecting windows vista or 7 machines to a 2003 network?Thanks,Matt
July 16th, 2009 8:54am

Hi,Thanks for your sharing in this forum. It does a great help for community users who comes accross this similar issue. Have a nice weekend!Best Regards. Thanks.
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July 23rd, 2009 11:44pm

0 down vote THIS WAS THE REASON FOR DNS NOT WORKING WITH DHCP ON WINDOW 7 IN MY CASE: After 2 days struggling, I suddnely notice that when I rebooted the router (after modifiyng some basic parameter) its date was probably reset to its BIRTHDATE (2005), so the lease it was giving was in the PAST and probably Windows 7 relies on the date given by the DHCP instead of its own... The result is that the lease is already over. Then 2 odd things happen, you can check them with "ipconfig /allcompartments /all" on Windows 7, for some reason : Always Window 7 doesn't undestand anyway the lease time: it declares isntead of 120 minutes more than 136 YEARS!!! If the lease is ALREADY OVER: Windows 7 ignores the DNS given!!! To summarize the SOLUTION in my case was: Setup the correct time on the DHCP server. On Windows 7 run "ipconfig /release". On Windows 7 run "ipconfig /renew". The DHCP WITH DNS shoud be UP and WORKING! So ALWAYS check the DHCP server date... Cheers!
June 4th, 2011 12:56am

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