Enterprise wifi authentication error

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http://forum.xda-developers.com – My wifi works great at my house and everywhere else. At work I keep getting Authentication error when it was working fine before I start using Jelly Bean. I have called HTC & Sprint but if anyone has had this issue and fixed it I would appreciate knowing what you did to fix the problem. I have tried deleting it, the dlna, even was given code form sprint to out in but still not working. Sprint wanted me to reapply update but wouldn't that kill my root? T/u for your help. (HowTos)