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Domain Laptop unable to browse WWW via wifi

Posted on 2010-08-27
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Last Modified: 2012-05-10
Our laptops are all assigned two internal DNS servers via DHCP.  If a client tries to use a WIFI, the connections are fine, lookup via IP address works, but fails for dns names.

NSLOOKUP always shows the domain DNS servers, even if we add a opendns server to the dns list, it still fails to look further than the internal DNS.

Clients are all winXP Pro, SP3

Disabling the LAN port and playing with binding orders has changed nothing
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Question by:metroit
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Expert Comment

by:scriven_j
ID: 33541211
Please can you run IPCONFIG /ALL and post the results?

Thanks.
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Expert Comment

by:zsaurabh
ID: 33541228
Do you have any IE Proxy? disable and try
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Author Comment

by:metroit
ID: 33541246
ethernet wireless device
dns specific :
phy address :hex :)
dhcp enabled: yes
autoconfig enabled:yes
ip 192.168.1.66
mask 255.255.255.0
gw 192.168.1.1
dns 192.168.1.1


ethernet lan disconnected



it has the same errors with all wifi points, so its not an issue with the actual wifi router
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Author Comment

by:metroit
ID: 33541252
the internal proxy settings were all removed.
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by:scriven_j
ID: 33541280
There is only one DNS server showing in that output.  Are you sure there is more than one being picked up?
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Expert Comment

by:zsaurabh
ID: 33541303
you IP config shows your WIFI router as your DNS server
either change DNS on router or on client

Change DNS to google DNS

http://code.google.com/speed/public-dns/

 8.8.8.8 and 8.8.4.4

or Google for free public DNS servers and change
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Author Comment

by:metroit
ID: 33541314
by default, most wifi will give out just the wifi router IP as the dns server.  this is the correct way for clients to do dns lookups.

A laptop that is not part of the domain can access the internet just fine via the same wifi with the same IP configurations
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Expert Comment

by:zsaurabh
ID: 33541330
open http://192.168.1.1
Login with Admin/Admin or Admin/password

Change DNS to  8.8.8.8 and 8.8.4.4
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Author Comment

by:metroit
ID: 33541441
Sorry, that is not a solution, the local McD / Cloud / Costa will not allow access to their routers
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Expert Comment

by:scriven_j
ID: 33541533
So, if you use NSLOOKUP on one of the affected laptops, what happens?
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Author Comment

by:metroit
ID: 33541550
it fails on the two internal dns servers, does not list any attempts at the wifi assigned dns, even if the lan port is disabled.
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metroit earned 0 total points
ID: 33541739
OK, found the issue.

in AD, the DNS servers were set, this always overides any DHCP settings.  This has been reversed and all is working :)
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