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Problem with ACS 4.1 using certificate

I have an ACS 4.1 appliance, I have already configured ACS in order to work with certificate. I got the certificate from ACS, I already installed it as the installation guide says . Additionally I configured the card's controller in my PC in order to manage certificate.

Whe I try to be validated from ACS I can not go on because a message appears and says " click to select a certificate " , after click a windows appears asking user and password however I expected not receive this window.

The switch's port were configured as follows:

aaa new-model

aaa authentication dot1x default group radius+

dot1x system-auth-control

interface GigabitEthernet1/0/4

switchport mode access

dot1x mac-auth-bypass eap

dot1x pae authenticator

dot1x port-control auto

dot1x timeout quiet-period 15

dot1x timeout tx-period 3

dot1x reauthentication

radius-server host (ip address) auth-port 1645 acct-port 1646

radius-server source-ports 1645-1646

radius-server key password

What am I doing wrong or there is something left???


Re: Problem with ACS 4.1 using certificate

1) Did you install the Certificate file in the local machine? (Right click >> Install Certificate >> And so on..)

2) Are you using the built-in Dot1x supplication in WIndows XP? Is the setting to MD5?

3) Did you Selected this installed certificate from the drop-down Menu in the wireless software?