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Authentication passing on Cisco ACS but failing on VPN Concentrator.

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wansolutions

Technical User
May 11, 2005
10
AU
G'day All,
I am experiencing a problem where users, within a couple of NT domains, are being authenticated against the Cisco ACS server (RADIUS) then the same users are failing authentication on the VPN Concentrator.
I am currently able to authenticate other NT domain users and AD users through the same ACS/VPN Concentrator pair.
What's going on?
The users that are passing on the ACS and failing on the VPN can be authenticated locally within the domain.
When I try a test authentication against the authentication server configured on the Concentrator, I get the following message returned:

Authentication Error: No response from server

However the user is definately passed on the ACS server.


 
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