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Can't access Internet when setting up Windows Server 2008

Posted on 2009-04-09
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Last Modified: 2012-05-06
Ok, Im getting frustrated.

I have never setup Windows Server 2008 as Domain Controller before and its kicking my butt.  I cant seem to get internet working. Ive tried pinging outside site such as google with no success. Bascially, Im running Windows 2008 Standard 64-Bit, connected to a NetGear router with DHCP off (we have a cable modem using Comcast as our ISP).  Here is the following setup

NetGear Router IP:  192.168.0.1
Server 2008 NIC IP: 192.168.0.2
Subnet Mask: 255.255.255.0
Gateway: 192.168.0.1
DNS:  127.0.0.1

I promoted the server to AD successfully, and have DHCP and DNS running. I just dont know if you have to do something different in Windows 2008 than you have to do in 2003.

I need to get this up my Monday.

Thanks for your help,
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Question by:stew702
9 Comments
 
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Expert Comment

by:Thomas Wheeler
ID: 24112953
do you have your dns forwarders setup? can you ping by IP
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Expert Comment

by:Thomas Wheeler
ID: 24112961
to check go to administrative tools->dns
right click on your server and go to properties
select forwarders
you should have public dns servers here
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Expert Comment

by:Brian Pringle
ID: 24112965
Check to make sure that you can PING 127.0.0.1 .  By default in Windows 2008 and Windows 7, it does not allow "remote connections".  Even though it is local, it may not be allowing you to connect.  Change the DNS entry to the IP address of the server.

Also, you need to add DNS entries for your ISP's DNS servers.  Call them and they can get you a list.  Or, if you are using a cable/DSL modem, try using the address of that device.  It will automatically forward DNS requests.
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Author Comment

by:stew702
ID: 24113010
how do you setup DNS fowards?
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Expert Comment

by:Thomas Wheeler
ID: 24113020
by setting up you isps dns server under the dns service tool

go to administrative tools->dns
right click on your server and go to properties
select forwarders
you should have public dns servers here
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Author Comment

by:stew702
ID: 24113120
Ok..I will test that out on Monday..

but would that make a difference since I tried pinging the IP address of google.com and I still did not get a reply?  Wouldn't  I get a reply even if DNS was setup wrong?
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Expert Comment

by:Darius Ghassem
ID: 24113201
Change your DNS TCP\IP setting to point to the actual IP address of your internal DNS server not the 127.0.0.1. Make sure you have updated DNS servers in your Forwarders from your ISP
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Expert Comment

by:Henrik Johansson
ID: 24121896
If not able to ping IP, it's not DNS-related.
It sounds like a firewall issue when outgoing ICMP echo requests isn't allowed.
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Accepted Solution

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stew702 earned 0 total points
ID: 24130466
I solved the problem!

Turns out the netgear router (RP614V3) needed a firmware upgrade. Once I did this everything worked.

Thanks for you help!

Stewart
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