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Internet connection problem with single Windows 2000 server

Posted on 2007-09-28
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Last Modified: 2013-12-05
We have a customer with a single windows 2000 server, and around 20 workstations. We have a single router connection to the internet, and we were using this to provide dhcp and DNS services. This originated from when there were only a few workstations, but we have now decided to implement this via the 2000 server. ie DHCP and DNS.
The DHCP is providing the IP addresses OK, but I am unsure that the DNS is working as it should. We have configured the forwarders with our ISP DNS information, but we cannot seem to get an internet connection.
When we run IPCONFIG /all on each workstation, I can see the workstation IP, the DHCP address, and the default gateway (which is set to the IP address of the broadband router.
I noticed that the DNS IP address is missing.  
NSLOOKUP also states the server is unknown.

I can get an internet connection on the server, so I know the router is set up OK.

Does anyone have any ideas on how to resolve this?
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Question by:nigelbeatson
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frostburn earned 2000 total points
ID: 19977594
In your DHCP settings you need to add your DNS server there for all your clients to get that DNS setting.

Hope this helps
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by:frostburn
ID: 19977604
On your DHCP server navigate to your scope options > make sure there is a 006 DNS Server entry with your DNS servers IP in there.
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Author Comment

by:nigelbeatson
ID: 19977694
OK, thats great. The entry for the DNS server was missing. I have now put this in place and we now have an internet connection. However, on this network, each user collects his own mail from a pop3 server, using outlook, but for some reason the mail servers can't be found. Is this related to DNS also?
Please advise.
Regards, Nigel.
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Author Comment

by:nigelbeatson
ID: 19977717
I have just checked and we cannot ping the mail servers from this network, but I have just tried it from my own network, and they ping just fine. Any ideas?
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Author Comment

by:nigelbeatson
ID: 19977743
Just some more information, I can ping other mail servers from the problem network, but not the one we need.... very strange. ie I can ping mail.plus.net but not mail.styleww.co.uk. I can ping both from my own network.
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Author Comment

by:nigelbeatson
ID: 19977905
I have been looking at this again, and I have noticed that the mail server has the same domain name as the local domain name.
I will transfer this to a new incident.
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