You can validate your connection by specifying a CA certificate.To validate your IU Secure connection, you'll need to download a CA certificate file to your Android device.IU Secure authentication servers use USERTrust as their root certificate authority.You'll need a valid USERTrust primary root certificate in Privacy-Enhanced Mail (PEM) format to validate the IU Secure connection.Removing ('forgetting') the profile and re-entering it seems to fix the problem.WARNING: Most versions of Android Older versions do not directly support WPA2-Enterprise.
This document is long, but you only need to read the section for the type of device you're trying to use to connect to the network.
If using OS X, sometimes it can take up to 10 seconds for authentication to complete.
This can occur if the if the RADIUS certificate, or any certificate in the chain, is configured or CRL or OCSP.
I can't figure out why I can't get it up and running now.
There's no WPA2 on the card, just WPA and WPA-PSK: WPA-PSK was the only setting that would let me enter a network key.