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Ubuntu 16.04: Office WiFI not connecting

I recently changed my office login password and after messing with my current wifi settings am not able to connect to wifi given credentials and all other expected settings are correct. This happens on Ubuntu 16.04 and found out that you need to manually enter settings into a disk file and make changes there..

Strangely, you wont find this settings in network manager UI, you have to manually enter this settings into file..

Open your wifi network file at below location and add/edit below properties.
$ /etc/NetworkManager/system-connections/<>
[802-1x]
eap=peap;
identity=<>
phase2-auth=mschapv2
password-flags=0
password=<>
system-ca-certs=false
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