CWA auth page open issue

[Anukalp S]

Hello, i have deployed CWA on Cisco ISE 2.2, have done configuration on cisco WLC and ISE for it. CWA redirect page is working  everywhere except android phone (android 7) on chrome(chrome ver 66) browser only,  please suggest how to fix, i have deployed public signed certificate(SHA 256) also on ISE but still redirect page not working.

[ajc]

Provide more information, configuration/errors screenshots, etc.

[mvoss]

Is this a Symantec cert or does it have a Symantec root?

https://www.theregister.co.uk/2018/02/07/beware_the_coming_chrome_certificate_apocalypse/