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knightrider2k2

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Not able to browse internet from windows 2000 pro computer.

Hi

We have a strange issue with one of the computers on our net. Windows 2000 pro all service packs, not able to browse internet. NIC has dynamic ip from windows 2003 DHCP server. The computer CAN:

-resolve dns names
-ping gateway
-ping internal server

but it CANNOT ping public(internet) addresses. All settings on NIC are correct. Please let me know if you need further information.

Thank you
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Matt Lynch

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knightrider2k2

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Name resolution is not a problem and all other(25) computer are going out(internet) fine. So I think it is not the firewall.
Make sure the browser doesn't have proxy settings - or at least ones that are not common to your other computers.
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check the services...

START>Run>services.msc and compare running and stopped services from another PC on network(same OS), most likely a service is stopped and your DNS in not working properly.

Have u tried on another type of connection?, just to eliminate the possibility of a local restiction from Server or gateway.

CKWT
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The 'route print' is to rule out any persistent routes the user might have made that send external traffic out the wrong way...

It should read, among others:

Active Routes:
Network Destination        Netmask          Gateway       Interface  Metric
0.0.0.0          0.0.0.0        <ip default gateway>    <ip ext interface>

Default Gateway:         <ip default gateway>
Hi all

First I want to thank you for all your comments. I figured out the problem. It was my firewall(netscreen 5gt). It has a license restriction. It allows only 10 IPs to access internet at once. Actually there are 25 computers on the network. I guess more than 10 computers never accessed internet concurrently earlier. I saw this in the event log of the firewall.
I would like to award the points equally between 559624, whermans and jpdavey.

Thank you