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Testing aruba controller AAA test server with NPS 2008 successful, but windows 7 fails to connect to SSID

Posted on 2013-06-11
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Last Modified: 2013-06-11
Dear All,
 
I have installed NPS on windows server 2008 R2. setup network policies. I also setup radius server on the Aruba controller, and when I use the Diagnositics>AAA test server with a user name and password I get authentication successful, also I can see it in the logs on NPS. but when I try to connect to the SSID I can't and I get this error on NPS:
"Authentication failed due to a user credentials mismatch. Either the user name provided does not map to an existing user account or the password was incorrect."
 
I checked every post available, followed every setup but I can't make it work. the only post i saw that had a solution to a similar problem I had, the user just installed NPS on a different server with basic configuration and it works. problem is I just installed NPS and another server is not an option.
 
I am using protected EAP with MS-CHAP-V2. im not interensted in having certificates for now, cause im week in them.
 
any help would be highly appreciated.
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Question by:matfme
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Jakob Digranes earned 200 total points
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Are you using machine or user authentication?
that is - in Network Policies in NPS - the group limiting access - is it a user group, machine group or both?

WIndows 7 often select Machine authentication automatically if you do not set it to user
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by:matfme
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In NPS - under conditions I have added a windows group domain users. I also added Domain computers once and removed it but it didn't work.

how to setup windows 7 to take user authentication, because take a look at the log:
User:
      Security ID:                  NULL SID
      Account Name:                  host/IT_Security.domain.com
      Account Domain:                  domain
      Fully Qualified Account Name:      domain\IT_SECURITY$

I think it is trying machine authentication, althought I added a domain computers group to network policy it wasn't working.
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by:matfme
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I checked the option to use user authentication, now the logs on NPS are showing granted full access but I cannot connect to wireless network, strange
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by:Jakob Digranes
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What roles are you given in Aruba? Have the client got an IP-Address?
With 802.1X authentication; you won't get an IP-address until AFTER authentication, and if DHCP or VLANs aren't working - you won't get an address ...

go to monitoring - clients and see What role you've got
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by:matfme
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i just needed to restart my computer, my wireless card was problematic. it is working now.
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by:matfme
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windows was sending machine authentication, which radius didn't know how to deal with, because eap mschap v2 is set. i changed an option on the wireless configuration on the client side and it is working fine.
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by:matfme
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thanks a lot, I appreciate the help. :)
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