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Prof. Falken
Asked: 2010-10-12 06:25:59 +0800 CST

How does Windows detect it is online?

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I always assumed that Windows assumes that it is on the Internet when there is a default gateway.

Turns out this is not the case!

How does it judge, it is on the Internet? Does it "phone home"?

windows networking

1 Answers

  1. Best Answer

    As documented at

    http://technet.microsoft.com/en-us/library/cc766017(WS.10).aspx

    nslookup dns.msftncsi.com followed by HTTP GET www.msftncsi.com/ncsi.txt

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