With only the brief details you've provided, I would guess that you have
misconfigured the DNS settings on your client.
Your clients and member servers should point only to your internal DNS
servers. You should use a forwarder on your DNS server to allow resolution
of external DNS names.
Regards
Oli
"Flores" <(E-Mail Removed)> wrote in message
news

8DBD3C7-658B-49F8-8609-(E-Mail Removed)...
> My network is very slow at log on and looses my drive maping connection
> very
> often, even from pc'sconnected to the network right in the computer room.
> I
> have 3 Windows Server 2003 connected to two Nortell Baystack 450
> switches -
> no logon scripts. Can someone tell me what the problem might be and point
> me
> in the right direction for a solution?