What is "Authentication failed" status on network adapter

Converting my comment to an answer. The problem occurs because the "Enable IEEE 802.1x authentication for this network" is checked under the Authentication tab of the Local Area Connection Properties. When you uncheck these boxes the problem will go away.

Your computer is probably using the 802.1X standard for connecting to some of the networks you use. The 802.1X is an IEEE protocol and a there's a nicely detailed explanation on Network Engineering: https://networkengineering.stackexchange.com/questions/35750/whats-the-difference-between-radius-and-802-1x-port-based-authentication