Trouble with 802.1x profile

Hi there,
I work at a University, and after a recent network change all of our campus wifi networks require 802.1x authentication. This works fine for all but a couple of labs which use laptops, and thus require an 802.1x profile be built for the loginwindow so students can use their AD accounts to log in.
I should probably also mention that the accounts are mobile accounts, and are removed after logoff (via a LogoutHook). We're running OS X 10.8.5 through 10.10.2.
So far, I've built n-thousand variations of the 802.1x profile in ProfileManager, but am still completely unable to get this working.
I'll start off with a rough overview our security settings, and what I've done so far:
WPA2 Enterprise, PEAP with MSCHAPv2
When logged in to a machine, trusting the following certificates and saving the user-supplied credentials will successfully allow a user to reconnect unprompted for credentials, but the (seemingly) same settings in the 802.1x profile don't work (or I'm configuring it incorrectly).
Symantec Class 3 Secure Server CA - G4
VeriSign Class 3 Public Primary Certification Authority - G5
Also, the leaf / radius server certificate becomes trusted, but does not have to be explicitly downloaded (as far as I know- but I have tried supplying it as well).
In the 802.1x profile, I've tried just about every permutation of settings I can think of, but I'll outline my general process (in case I'm missing something).
I add the certificate payload with the 2 certificates listed above (I've also tried it with the leaf certificate).
In the network payload, I
1) enter the SSID
2) set to AutoJoin
3) set WPA2 Enterprise security
4) check "Use as LoginWindow configuration"
5) check PEAP under protocols
6) add a 'filler' name to OuterIdentity (everything I read said it doesn't matter what's entered)
In the Trust tab:
7) check the 2 certificates added in the cert payload
8) enter the FQDN of the RADIUS server (xxx-radius.xx.xxxxx.edu) in the Trusted Server Certificate Names (this is the same as the cert for the server found in Keychain Access)
I've figuratively tried millions of variants (e.g. add the leaf cert to the cert payload / trust settings | add no cert payload, just radius server fqdn under TSCN section | etc.)
Any tips on what I'm doing wrong?
Thank you,
Eric

hi, if the problem still persists, have you tried clearing out any 802.1x profiles you have saved?
Go to System Preferences > Network, click on Airport, choose Advanced, go to the 802.1x tab, look at the section on the left side that has User Profiles. Select the profile and hit the minus button at the bottom of the pane.
A lot of these issues seem to be helped by clearing out any saved data about the wireless network, and setting it up manually again. We have seen many issues here at Notre Dame with Macs vs 802.1x. Hoping Apple makes it more reliable soon.

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