This is how you can share your Windows XP computer Internet connection via Wi-Fi with you Laptop, iPhone, iPad or other devices. This method is also known as ICS. Make sure that the NAT Routing Service is disabled in your system or it will conflict with the ICS. To verify the status of the NAT Routing use the command: "netsh routing ip nat show global". To disable it use the command: "netsh routing ip nat uninstall".
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