Problems with ACS 4.2 Wireless Authentication.

Unanswered Question
Sep 11th, 2008
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Hi, how are you??

I have problems with same ACS 4.2 with Peap authentication. Not all but same machines does not authenticate. When you go to the Fail attemps in the ACS logs you can see this mesege "Authen session time out : Challenge not provided by the client". Is anyone that has pass throw this experience?? Anyone knows what can i do to solve this?? Please let me know. Thanks a lot.

King Regards.

Elias Vucinovich.

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bbxie Sun, 09/14/2008 - 17:16
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I would double check those problem client 's wlan profile configuration and do a line to line comparation with those good client.

Also check the client's wireless driver, always download the most updated driver.

if the client is WINXP, make sure you have installed the hot fix for peap:


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