Windows 2000 looses outgoing networ

January 20, 2009 at 07:19:45
Specs: Windows 2000 Server Standard, P4, 1Gig
So this is one of the strangest issues I've seen...

I have a Windows 2000 Server box with SP4 plus all recent Windows updates. I'm not sure when this started (the server is a backup and isn't often used), but after being on from anywhere between several hours to a day or two, the server won't be able to make any outbound network connections. Loading Internet Explorer just results in the "This page cannot be displayed" error, trying to browse to a network resource returns "The path was not found", if we try to connect via PCAnywhere to another machine on the network, the connection times out. However, if any inbound connections are made to the server, such as remotely controlling the server via PCAnywhere or browsing to a shared network resource hosted on this machine, all is fine. Once the machine is rebooted, the problem clears up for a few hours to a day, then suddenly starts up again.

As for event log entries, the only one I've seen is an entry logged by the browser service saying it cannot retrieve a list of browsers from the browser master.

My first thought was that this is a virus or malware. After performing several scans with multiple Antivirus and anti-malware apps, no malicious software has been found. I've also swapped out the NIC. This hasn't fixed the box either. The network firewall isn't blocking the server and IPSec is not enabled on this machine.

I would just rebuild the box but it contains software that only our vendor can supply and they want a very large fee to reinstall it. Are there any other options that exist?

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January 20, 2009 at 09:01:24
Next time no out bound traffic try pinging the nics ip address from the server. Then ping the gateway. What happens?

Could be you need to run the winsock fix.

make sure the power settings on the nic are disabled so it never "sleeps"

Replace the nic

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January 20, 2009 at 13:52:39
Hey wanderer,

I already replaced the NIC, didn't do anything.

I can ping the NIC's 192.168.x.x address and the gateway fine. As far as I can tell, this is the only type of outbound traffic that works.

The Power Management features for specific devices, as far as I know at least, aren't available in Windows 2000. I did check the system's power settings via the control panel applet, but everything in there is set correctly (to never turn go on standby or any low power mode)

any other ideas anyone?

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