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unable to authenticate to RADIUS server

Posted on 2011-10-31
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Last Modified: 2012-05-12
Hi Expert,
I have a ASA 5510 firewall and setup IPSec remote desktop VPN. It works fine if I use local user for authentication. If I set AAA RADIUS authentication, it doesn't work. I did test via ASDM and error message says "authentication server not responding: no error".
I have Radius server(2008R2) installed inside network and set firewall IP as RADIUS client.
Could you advise what I missed? And how to test RADIUS server is working fine?
Server is AD/DNS and working fine but not sure how to test RADIUS function.
My only issue is VPN client doesn't work if I set RADIUS authentication.

Rgds
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Question by:bominthu
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by:Ernie Beek
ID: 37061243
Did you set up policies on the NPS in 2008?
There is a command to test the authentication on the asa: https://supportforums.cisco.com/docs/DOC-8592
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by:bominthu
ID: 37061921
I know i can test in asa. I just wanna know other way to test other than from asa coz asa log is saying check connectivity to server. If i can make sure by testing with other way, i don't need to focus on server in troubleshooting.
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Ernie Beek earned 2000 total points
ID: 37062357
Well the server is part of the equation so I wouldn't rule it out.

So did you set up the policies in NPS?
Is there a firewall runnung on the server?
Can you ping the server from the asa?
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