EAP with Windows 2000 client and IAS server

Several messages on this site point to peole using EAP on a Windows 2000 client and authenticating against an IAS server. I am running an Aironet 350 AP and trying to setup my Windows 2000 clients to use EAP only and authenticate against a Windows 2000 AD forest via IAS. The access point and client are on the latest firmware and drivers (12.0 for AP). I have two basic questions.
1. It is my understanding that by enabling Network-EAP as the only authenticaiton type that users will authenticate and then dynamic WEP keys will be used, greatly reducing the risks of compromised WEP keys while at the same time keeping the data encrypted.
2. Does anyone have a quick HOW-TO or point-by-point list of how to configure the Windows 2000 client to authentication using the Network-EAP method? I am currently running into a situation where no matter what I configure on the client, the IAS server reports and error with "Reason: The authentication type is not supported on this system." I also noticed that the "Authentication-Type" and "EAP-Type" fields shown in the IAS messages in the Windows 2000 Event Viewer log have the value "<undetermined>". Has anyone else run into this?

I'm having a similar problem. I'm trying to do PEAP and it appears that IAS is not handling the request properly. It keeps trying to log the user PEAP-##### in instead of setting up the TLS and then asking for Username, Pass, Domain. The IAS error message I'm getting is:
User PEAP-00097CFCD901 was denied access.
Fully-Qualified-User-Name = APPLY\PEAP-00097CFCD901
NAS-IP-Address = 172.16.200.31
NAS-Identifier = AP1
Called-Station-Identifier = 004096570d87
Calling-Station-Identifier = 00097cfcd901
Client-Friendly-Name = WirelessAP
Client-IP-Address = 172.16.200.31
NAS-Port-Type = 19
NAS-Port = 37
Policy-Name =
Authentication-Type = EAP
EAP-Type =
Reason-Code = 8
Reason = The specified user does not exist.
So if anybody has the needed settings for Win2k (SP3 and 802.1x patch) IAS it would be much appreciated.
Ben
Note: if I had PEAP-####### as a user in Win2k I get:
User PEAP-00097CFCD901 was denied access.
Fully-Qualified-User-Name = apply.org/Users/PEAP TEST
NAS-IP-Address = 172.16.200.31
NAS-Identifier = AP1
Called-Station-Identifier = 004096570d87
Calling-Station-Identifier = 00097cfcd901
Client-Friendly-Name = WirelessAP
Client-IP-Address = 172.16.200.31
NAS-Port-Type = 19
NAS-Port = 37
Policy-Name = Wireless Policy
Authentication-Type = EAP
EAP-Type =
Reason-Code = 16
Reason = There was an authentication failure because of an unknown user name or a bad password.

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