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View all Net connection in Win 2K

By dennisbv ·
I have a Win 2K computer that I cannot get to access our network, only sometimes for only minutes. I reinstalled Windows and I cleared the bios. The transmit LED is Flashing all the time and this is a linksys card but I did try a couple of different ones. Any Ideas?

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by daniel_damato In reply to View all Net connection i ...

That is very odd. You say that you have tried a few different cards yet no avail. Have you tryed putting the card on a different slot, sounds like that slot is damaged.

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by dennisbv In reply to

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by voldar In reply to View all Net connection i ...

If I'd be you I'd check the UTP cable, maybe replace it with another one. Sometimes this problem you describe happens when the RJ45 jacks are not well fixed on the cable.

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by dennisbv In reply to

I tryed three cables and four different ports, I also tried moving the nics to different slots and as soon as there is a network connection the green transmit lite starts flashing.

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by sgt_shultz In reply to View all Net connection i ...

sounds like you're connected all right. anything pingable? what does start/run/net view <enter> show? anything in event log? how sure about your anti-virus/spyware situation. what about scanning all files for viruii with up to date software and definitons. how about scanning with spyware remover such as ad-aware...how about apply all critical windows updates before attaching it to your network. how about trying a firewall so you can get peek at traffic.

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by dennisbv In reply to

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by The Clam In reply to View all Net connection i ...

It sounds to me as though there is something on the machine flooding the connection. I think we can eliminate jabber since you've tried more NICs on it.

I'd be very tempted to install a packet sniffer and have a look at what it thinks is going in / out of the interface. Personally I use Ethereal, mainly because it's open source (free) and I'm more of a Linux kind of guy.

It might show up a mistake in the configuration, or perhaps that a firewall is blocking any useful communication. I know Zone Alarm plays **** with my network at home, even when it's set to OFF!

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by dennisbv In reply to

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I did run a packet capture and it seems that when I cannot ping this machine or any of our network machines from it. I think the packet info shows that the computer thinks it is a Server so it logs into it's self. I have a program called big info running on it and it displays the the logon server is the same as the computer. I ran the packet capture for about fifteen minutes and it only capture three packets from this machine. Under Netbios it show a source name service4<20> (server service) "service4 is the workstation name". and under Microsoft Windows Browser Protocol it has server type 0x00001003 and it appears that it thinks it is a server?

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by The Clam In reply to View all Net connection i ...

OK then:

a) do you get an IP address?
b) what is the output of ipconfig /all

It seems to me a bit like your PC isn't picking up an IP address. Make sure the DHCP client service is running and on auto start in your services list.

The NetBIOS stuff you describe sounds fairly normal to me - the workstations I have here advertise service numbers 00, 03, 20 and 1E. If I didn't log them onto the domain, they would refer to themselves as servers according to your software I would guess.

Still, only receiving 3 packets in 15 minutes suggests it's *not* talking to the network or hearing it at all. Windows machines tend to send out the odd broadcast packet even when they're idle, so you should be seeing more than that assuming other machines on the network are powered up. It sounds like either you have a firewall (do you? you didn't answer) which is blocking everything or your NIC isn't installed properly. I've seen cases like this with an IRQ set wrongly on a card, also seen cases where the NIC has crashed and needed to be removed and re-added.

My gut feeling though is firewall seeing as how you're not getting any traffic at all and you've tried another NIC.

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by dennisbv In reply to

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Some times if I totally shut down and restart the machine it will log in to the network and run my log in script but it will not stay on the network. The firewall is between the internet and the local network and this machine is on the local network.

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