ICS for WinXP
Windows XP Internet Connection Sharing
October 12, 2001
Internet Connection Sharing (ICS) enables a Windows computer to share its
Internet connection with computers on local area networks. It's been around
since Windows 98 SE, and with the launch of Windows XP, it's only gotten better.
Windows XP ICS has some notable advantages over the versions of ICS in
Windows 98 Second Edition and Windows Me:
However, XP ICS is missing some features of those earlier versions. You can't disable the DHCP server, change the server computer's IP address, or change the range of addresses allocated by the DHCP server.
Consider these points when deciding whether to enable ICS.
WARNING #1: When you enable ICS, the network adapter connected to the local
area network is assigned a static IP address of 192.168.0.1. The client
computers are assigned other IP addresses in the 192.168.0.x range. These
addresses may not be compatible with an existing network
WARNING #2: Don't enable ICS if any computer in your network is configured as a domain controller, DHCP server, or DNS server. Don't enable it if another computer is running ICS or Network Address Translation (NAT).
WARNING #3: To enable ICS, you must be logged on as a user that is a member of the Administrators group.
WARNING #4: If you establish a Virtual Private Networking (VPN) connection while sharing a different connection, the client computers won't be able to access the Internet until the VPN connection is ended.
Preparing for ICS
The ICS server computer must have two network connections: one for the
Internet, and one for the local area network. The Internet connection may be a
dial-up (PPP or ISDN), cable modem, DSL, or other broadband Ethernet connection.
The LAN connection may be a wired, wireless, or even a USB Ethernet connection.
Before enabling ICS:
Enabling ICS on the Server Computer
Copyright © 2002