[Bug 1104476] Re: Network manager cannot connect to WPA2/PEAP/MSCHAPv2 network without CA_Certificate

[Victor Borovik]

I had the same issue on Ubuntu 14.04 and none of proposed workarounds
helped.

The way I was able to solve it was by manually restarting NetworkManager:
1) open terminal
2) type in: sudo stop network-manager
3) type in: sudo NetworkManager
And that is it! Afterwards I was able to normally connect to WiFi even after restarting Ubuntu. Hope it helps and good luck!

P.S. If restarting didnt help, before that I was also unsuccessfully
trying to kill NetworkManager by its PID (it relaunches automatically),
maybe it had some impact. I cant really reproduce the bug because it
disappeared after restarting NetworkManager.

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https://bugs.launchpad.net/bugs/1104476

Title:
  Network manager cannot connect to WPA2/PEAP/MSCHAPv2 network without
  CA_Certificate

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