Internet Connection Sharing stopped working

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Surray

Hi!

I'm using a Windows XP Pro PC as host, its connected to the internet using an ADSL connection.
Then I have a notebook here, using win XP home, and it connects to the host PC through a hub.

Everything was working fine, but then suddenly internet connection sharing stopped working. I just don't have any connection to the internet from my notebook anymore. Network itself is working fine. I can transfer files around and stuff, just can't connect to the internet. When I'm using a proxy app like WinProxy its working too, but using such a proxy gives problems with secure stuff like secure irc servers or ebay. So I really need ICS back. I tried deleting all the connections and setting them up again from scratch several times. I really have no idea whats wrong as I didn't change any settings at all on neither one of the computers. I hope someone can help me here.
 
no it doesn't work at all

192.168.0.1 is only used by my host pc
192.168.0.2 is used by the notebook

not using a PPP connection
 
Does the notebook have the proper DNS settings ?

Check that 192.168.0.1 is the default gateway & that the DNS servers are the one provided by your ISP.

Also check on the desktop & see if the Internet Connection Sharing service is still running. While you're at it, check to see if there are any error messages in the logs of both machines.
 
Nah - make all your client machines get EVERYTHING from DHCP (i.e. obtain automatically.) Don't set ANYTHING manually with ICS under Windows. The machine providing the ICS acts as a DNS proxy.

So set all machines to use DHCP for everything - unless the ICS machine (the server, if you like) requires different settings, fair enough - but certainly all other machines should use DHCP for everything.
 
ok I played around a bit some more with the settings and set the notebook IP and DNS stuff to obtain automatically (I could swear I did that several times before) and it suddenly worked again.
Thanks :)
 
All client machines should ALWAYS use DHCP with ICS and nothing else. Don't have ANY static settings.
 
Phant, I used ICS for about 6 months with static addresses and it worked great, BUT then all of the sudden it just wouldnt work anymore no matter what was done. I say ICS is just crap :p. I had to buy an ethernet modem to use with my D-Link router to do the sharing. ICS just wouldn't cut it. Even after doing a clean install of Windows on both machines it still wouldnt work. All of the sudden when I would try to set it up I got errors saying 192.168.0.1 was in use (obviously by my D-Link router that I was using as a switch) which had never happened before when setting it up, and the main machine has to use 192.168.0.1 so I had to unplug the router, turn on ICS, change the IP to a static IP other than 192.168.0.1, then plug in the router. Still didn't work though. Well it would about 2% of the time, but thats about it.

From what I've heard ICS is just very unreliable. I personally would recommend getting a switch if you have a ethernet DSL modem and sharing your connection that way. That's if your DSL modem has DHCP. If not, then I would just get a ethernet broadband router with DHCP and go for one with a firewall also if you want. If your DSL modem doesn't have DHCP for some reason (I'm not sure if all ethernet dsl modems do or not) then you'll need a ethernet broadband router.

For example, I'm using the D-Link DI-604, but I'd recommend something like LinkSys. I've had some problems with D-Link.
 
You can try to use static addresses with ICS on the clients, but its not a good idea. Its designed to use DHCP, indeed ICS is a collection of technologies which includes:

DHCP Allocator
DNS Proxy
Network Address Translation

I have used ICS for quite some time, and as long as I use dynamic addresses, there is no problem. There is no reason really that I can think of why any of you should be using static addresses, unless you are installing services such as DHCP, DNS, etc onto a Windows 2000 or 2003 Server installation, in which case it may complain about a dynamically assigned (DHCP) address.

I have found ICS to be on the whole reliable, provided you realise a few things, that 1)you should use dynamically assigned TCP/IP settings (set to obtain automatically, i.e. use DHCP), 2)that if you reboot the server machine, you need to reboot or run ipconfig /renew on the client machines, 3)That the outside world only sees your server machine, not any of the clients.

Realise these things and ICS should be fairly stable and reliable.
 
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