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Attempting to authenticate

Posted on 2008-10-15
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Last Modified: 2013-11-12
Sometimes users get the message attempting to authenticate.

We are using a Wireless Security Switch, with accesspoints connected to it. behalve that there is a IAS server and a Certificate server.
Users do get the certificaat per policy. The problem occurs in a lot of differernt locations of our company. Even microsoft doesn't have a solution for this. I was able to reproduce the problem today  twice.
First time when I changed the roam time of my wirelless NIC card in the laptop. The second time when i walked trom the 4th floor to the 5th floor.

The roam time was changed from 45 seconds to 5 seconds and also to 5 seconds to see the difference.
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Question by:mjmatthijssen
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Expert Comment

by:SysExpert
ID: 22721960
1) make sure you have the latest software and firmware for the switches/ APs and anything associated with this.

Also consider using packet sniffer to get more info


I hope this helps !
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by:ITSMA
ID: 22999472
This hotfix from Microsoft might hellp.

http://support.microsoft.com/kb/885453/en-us

Our clients kept getting the message attempting to authenticate until I installed it.
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mjmatthijssen earned 0 total points
ID: 23381333
The solution couldn't be found in the network, but it was more a client related issue.
Currently the problem appears not to all the users, but only to a couple.
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