Re: LAN computers cannot connect to Internet through a Windows 2003 Se

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From: Robert L [MS-MVP] (noreply_at_hotmail.com)
Date: 01/05/05 

Date: Wed, 5 Jan 2005 10:59:44 -0600

First, I would use RRAS with NAT. If for some reasons, you need to ics and
icf, check any errors in event view? 

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"Jaime Stuardo" <JaimeStuardo@discussions.microsoft.com> wrote in message 
news:89BBF01E-8963-4A06-9360-A2BAD3933205@microsoft.com...
> Hi all.....
>
> To simplify the problem I will use only 1 PC in the LAN and the Server 
> that
> connects to Internet.
>
> Previously I had configured the server using ICF and ICS and it worked.
> Later I tried to use Routing and Remote Access but I had problems so I 
> tried
> to get the configuration back to use ICF and ICS again. In that process,
> something happened to the DHCP server that it stopped assigning IP 
> addresses
> automatically.
>
> This is the scenario:
> - Windows 2003 Server that connects to Internet through a DSL modem. This
> server has 2 NIC's. One connected to the modem and the other to the LAN 
> (by
> mean of a hub). The server is configured as DNS Server and Active 
> Directory.
> - One PC with Windows 2000 Professional operating system with 1 NIC
> connected to the LAN.
>
> I have seen in DHCP console the following curious items:
> - In address leases: 192.168.0.1 BAD_ADDRESS "This address is already in
> use". The fact is that no NIC, but one, has assigned IP address 
> 192.168.0.1.
> - The server appears to be webserver.mshome.net [192.168.0.1]. Why does it
> assign mshome.net? my domain is named CORP
> - When I set "Obtain IP address automatically" to the NIC that connects to
> the DSL modem, it is assigned 0.0.0.0 (Previously I had this same
> configuration and that NIC was assigned a correct private IP address).
> - I have always realized that when I configure the PC's in the LAN to have
> static IP addesses they cannot connect to Internet through the server. 
> They
> could only connect if I set to "automatic addressing", but currently that
> "automatic addressing" isn't working.
> - If I run "ipconfig /renew" in the client computer, it says that it 
> cannot
> connect to DHCP server (but when I PING to the IP address, connection is
> correct).
>
> Notice that isn't a hardware or connection problem since if I use static
> IP's for the server and for the client PC's, all computers can connect
> together but client PC's cannot connect to Internet.
> Also Notice that Server connects correctly to internet.
>
> What may be happening?
> Thanks a lot in advance
>
> Jaime

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