Then it's up to the user to walk through the next steps:
+ Delete the previously configured Wi-Fi connection
+ In "Settings, Wi-Fi," tap "Advanced"
+ Tap and hold over the selected Wi-Fi network, and choose delete
+ Create a new connection and enable server certificate validation
+ In Wi-Fi settings, tap on the enterprise Wi-Fi network access point which will open a Sign-in page
+ Enter username and password; toggle "Validate Server Certificate" to On; tap to choose a certificate; in the list of certificates to select, pick the root certificate issued from Corporate IT (for example, "Contoso Corporate Root Certificate"), and tap Done
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