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No Internet Browsing Access

Posted on 2011-09-19
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Last Modified: 2012-05-12
We have SBS 2003 SP2

I cannot get any Internet access - more exactly the server (or any of the users) cannot browse the Internet.

from SBS2003:
I can Ping the gateway router
I can Ping an IP address on the Internet - 4.2.2.2
I can Ping www.google.co.uk
Exchange OK - Users are sending/receiving Outlook e-mail

I have disconnected m,y laptop from the network and connected to the gateway router wirelessly.
Same problem until I change the DNS server settings inthe NIC IP properties to use 8.8.8.8 (google's public DNS, it is my fall back test DNS IP) Then the browser connects to web home page.

Obviously a DNS issue but where to look?
I can't change the server's NIC DNS IP Properties as this function is carried out within SBS in the forwarders section of DNS.

I am stumped on this, just for the fact that with DNS problems I cannot usually ping both IP and name addresses!

Thanks for your time
Neil
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Question by:NELMO
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Krzysztof Pytko earned 1500 total points
ID: 36559232
Your SBS NIC configuration should point only to itself and (if any available) to other DNS server for your internal network!
That 4.2.2.2 and 8.8.8.8 IP addresses should be configured as "Forwarders" within DNS management console.
Check also if your DHCP configuration provided to clients is appropriate (check option 006 on DHCP server in Scope options).

Please read also this article about configuring the Internet access on a Server 2003
http://support.microsoft.com/kb/323380

Regards,
Krzysztof
0
 

Author Closing Comment

by:NELMO
ID: 36559940
Thanks iSiek
I actually solved the problem by restarting the Firewall Service & the Routing and Remote Access Service.
But thanks for the link which led me onto other useful links about understanding DNS and how it is setup on the server.

Neil
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