PEAPv2 Server

David Mitton david at
Mon Nov 20 03:37:36 CET 2006

While I'm willing to believe that Vista supports 
PEAP v2, You are wrong to say it ONLY support 
that version.  That would break backwards compatibility.

I have already run a Vista client with a PEAP 
outer method to my Win 2003 Server.   I had no problems.

I'm fairly aware of the EAPHost development, and 
while it adds many new features, it does not preclude the older.

The document you quote contradicts your statement on page 2, bullet 4

·         EAP method coexistence  EAPHost allows 
multiple implementations of the same EAP method 
to coexist simultaneously. For example, the 
Microsoft version of PEAP and the Cisco Systems, 
Inc. version of PEAP can be installed and selected.

and a paragraph later:

For EAP method vendors, EAPHost provides support 
for EAP methods already developed for Windows 
Server 2003 and Windows XP and an easier method 
of developing new EAP methods for Windows Vista 
and Windows Server "Longhorn." EAPHost also 
allows better classification of EAP types so that 
the built-in 802.1X and PPP-based Windows supplicants can use them.


On 11/17/2006 03:11 PM, MURAT SEZGIN wrote:

>Vista supports only PEAPv2 client (but I think 
>only one TLV type- TLV-Result), Microsoft is 
>going to release a new version of Windows Server 
>(Longhorn) in the second half of 2007. It will support PEAPv2.
>I want to know that, if there is currently any 
>RADIUS server which supports PEAPv2.
>>From: Phil Mayers <p.mayers at>
>>Reply-To: FreeRadius users mailing list 
>><freeradius-users at>
>>To: FreeRadius users mailing list <freeradius-users at>
>>Subject: Re: PEAPv2 Server
>>Date: Thu, 16 Nov 2006 10:50:18 +0000
>>david at wrote:
>>>Microsoft implements something better known as PEAP v0
>>>see: draft-kamath-pppext-peapv0-00.txt, 
>>>“Microsoft’s PEAP v0 (Implemented in 
>>>Windows XP SP1) July 2002,  http://www.watersprings.
>>>  As far as I know, no-one implements PEAP v2, 
>>> and it's not clear why you would build a 
>>> server for it if you don't have a client?
>>Vista does.
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