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Computers stopped accessing the Internet

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by mcooper

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I am running NT 4.0 on our server and our workstations are using Win98SE. We have about 20 computers with access to the internet, but within the last week about 4 computers stopped accessing the internet altogether. The workstations that are not getting access are getting a DNSError but I can find no reason why they would stop working. Our network uses DHCP, so I have no settings for DNS in my TCP/IP properties in network neighborhood. If anyone has an idea what could be causing this, please let me know.

6 replies

by turambar386

From a command prompt, do "winipcfg".

Do you see the correct DNS servers in there?
if no, problem is most likely with the dns server info being given out by your dhcp server.

If so, exit winipcfg and enter 'nslookup'. Do you connect to yourcorrect DNS server?
if not, what error do you get?

If so, enter a name to look up (www.yahoo.com for instance). What error do you see?

by mcooper

We have 2 servers connected together. One server runs the DHCP and the other has the DNS running on it. If i do nslookup on the DNS server it connects fine, but when I do nslookup on the DHCP server, I get the following error:

DNS Request timedout
timeout was 2 seconds
***Can't find server name for address xxx.xxx.x.xxx: Timed Out
Default Servers are not available.

Default Server: Unknown
Address: xxx.xxx.x.xxx

The thing that I don't understand is how 80% of my workstations still access the internet with no problems. The errors only occur on 4 workstations. One of the workstations that did not have access a few days ago now has access to the internet. I am totally baffled by this.

by jbutcher

Just a thought but make sure you looks in your Wins Manager to ensure that 2 workstations are not using the sames Wins address.

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