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== What is Microsoft Virtual WiFi Miniport Adapter? ==Also known as Virtual Wi-Fi, this feature in Windows 7 allows you to use a single wireless network adapter to behave as two independent adapters, so you could connect to two different networks at the same time with a single adapter. You can also share the Internet connection on your main network adapter so that when people connect using the virtual network adapter, they will be able to access the Internet through your Windows 7 computer.