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09/09/2009 at 04:06PM PDT, ID: 24719899
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8.6

How to configure RADIUS IAS Authentication for Netmotion VPN clients ?

Asked by andrewjohnblackey in Windows Network Security, Virtual Private Networking (VPN)

Tags: Netmotion VPN RADIUS IAS ( Internet Authentication Service) Authentication for


We are in the testing phase for Netmotion VPN.
I installed the Netmotion Warehouse and one Netmotion Mobility XE version 8.51 server so far. Everything  works ok and we started the pilot with a few users using NTLM authentication. Because the Netmotion server is not part of any Active Directory domain ( it is part of a workgroup in a DMZ),
Currently all our inspectors are using Cisco VPN clients and they authenticate using RADIUS ( Microsoft IAS running on a Windows Server 2003 DC located in the internal Network) .

When I configure the Netmotion server to use the same IAS as Cisco VPN clients are using, I get this error in the IAS logs :

IAS_INVALID_AUTH_TYPE      Rejected

&while for the Cisco VPN clients:

IAS_SUCCESS

What could be the problem ?

The Netmotion Client says something about a bad password; however, I have entered  many times without success
the same password that I use for Cisco Radius Authentication successfully.

& I checked the IAS log for wrong or expired passwords and the message seems to be different :

IAS_AUTH_FAILURE      Rejected

IAS_PASSWORD_MUST_CHANGE      Rejected

For Netmotion Clients I always get IAS_INVALID_AUTH_TYPE, which makes me believe there is a rule or protocol mismatch somewhere, rather than a wrong password.

Thank you in advance for any help in troubleshooting this .

[+][-]09/09/09 05:00 PM, ID: 25296565

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About this solution

Zones: Windows Network Security, Virtual Private Networking (VPN)
Tags: Netmotion VPN RADIUS IAS ( Internet Authentication Service) Authentication for
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Solution Provided By: jayasanker
Participating Experts: 1
Solution Grade: A
 
 
 
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