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windows 2000 internet looses internet

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9 replies

by compuman

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Hello I am having alot a problems with this 2000 domain I just took over .At first the clients didn't have the lan dns server listed as dns server and it was taking 20 min to log them on to server .So at first I added the 2000 server as primary dnsand the internet provider dns as secondary .Computers logged right on but no internet.So I put primary and secondary internet dns in and added windows 2000 as extra dns in advanced settings.Worked like a charm but after couple minutes I lose internet or if i reset computer I loose internet.The computers where getting ips and dns from DHCP on router before so i tried going with static ips still same thing.Any clues to what I am doing wrong?

9 replies

by techrepublic

My experience tells me that your clients should resolve all DNS queries from the Domain DNS. Your Domain DNS should have forwarders capable of resolve and caching DNS searches directly out to the Internet. Check the DNS entries on the server, verify it can query and Internet DNS server for external addresses, then limit the DNS for clients to only the internl Domain DNS servers. You can allow either statis or DHCP for ip addresses, just as long as they populate with the same information. Also, use NSLOOKUP to verify the function of your DNS queries.

by timwalsh

Answer 1 is correct. To go further and solve your problem of not being able to add forwarders, check out this MS KB article: "DNS Server's Root Hints and Forwarder Pages Are Unavailable (Q229840)."

After following the directions in the KB article, you should be able to add forwarders (pointing to your ISPs dns servers). Also, if you want to run DHCP, you should disable this function on your router and set it up on your Win2K server. The reason for this is that DHCP as run on most routers will only pass on DNS information from your ISP. I have not seen any that allow you to reconfigure settings to take into account local DNS (vs. ISP hosted DNS).

In the end (once everything is configured properly), local DNS queries will be handled by YOUR DNS server. Any queries that can't be handled locally (i.e. relating to the Internet) will be passed on to the DNS servers listed under Forwarders.

Hope this helps solve your problem.

by jamrock

From the server, go into start, programs, admin tools, click on DNS. Right click on
, Properties, Click on Forwarders, Check Enable Forwarders, enter the ISP DNS numbers, click on Add. Thats it. If you get an error about forwarders root DC. Check the Root and you will see that the root is a period (.) I would delete it save it and exit then go back it and you will be able to make the change

by compuman

Thanks guys saved my butt again,I deleted root in dns then turned forwarding on and added dns servers so far so good .Thanks again:)

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