How To: Enable Internet Connection Sharing(ICS) on Windows Vista

Let’s say you have a computer that’s connected to the internet via a broadband modem. This article shows you how to share that computer’s internet connection (turning it into a router) with other computer(s) in your house without using a router or even a network switch in some cases.

If you want to share an internet connection with one additional computer on your network you’ll need an addition network (LAN) card installed on your computer if your broadband modem connects to your Windows Vista computer via a network (LAN) card.If your broadband modem connects to your computer via a USB cable you probably won’t have to purchase an additional network card because one will be available.Connect the two computers together with a regular CAT5 network cable. If you don’t want to run a wire or you want to make the shared internet connection wireless for a laptop, connect the computer sharing it’s internet to a wireless access point via a CAT5 cable and connect to the wireless access point wirelessly with the computers accessing the shared internet connection.

If you want to share an internet connection with two or more additional computers (a small network) you’ll need an additional network (LAN) card if your broadband modem is not connected to your computer with internet access via a USB cable. You’ll also need to purchase additional network cards (one for each connection), a switch, or wireless access point to network the computers you’re sharing the internet connection with.Connect the computers to the computer sharing it’s internet via a network switch and CAT5 network cable or a wireless access point and wireless devices installed on each computer accessing the shared internet.

Enable Internet Connection Sharing(ICS) on Windows Vista

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Written by Tony on January 12th, 2009 with 4 comments.
Read more articles on Vista Networking.

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4 comments

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Get your own gravatar by visiting gravatar.com azlan raof
#1. January 13th, 2009, at 5:43 AM.

hi,
thanks for the info.
one question, will the internet speed on the main computer affected with this connection

lankapo

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#2. January 13th, 2009, at 6:18 AM.

Hi lankapo,

Practically, you feel any change in the internet speed during browsing.But during downloading and uploading of files the data transfer(in Kbps) becomes half.This is because the total bandwidth of conection is equally shared between the connected computers.

Get your own gravatar by visiting gravatar.com Nelson
#3. March 27th, 2009, at 6:31 AM.

please help me.. to show the “ICS Tab”, before i seen it, but now it was gone. and i can’t find how to back it…thanks for someone who will help me.

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#4. March 27th, 2009, at 6:55 AM.

Some users tell me that:

“I Suddenly found that I lost ICS Option in advanced tab of properties dialog of Connections.”

Reason: The ICS(Internet Connection Sharing) option is only available for connections that do not connect the computer to the internet via a gateway, proxy or another device. In other words only “direct connections” can have ICS(Internet Connection Sharing) enabled.

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