On Sun, 10 Oct 2004 00:07:12 -0400, Matt Jaros
<mjaros at mygamingconsoles dot com> wrote:
> What is the method that I need to define within IAS for users to
> authenticate through the radius server? I have looked through several of the
> posts and nothing definitive.
> 
> 

Follow the instructions on this page:
http://www.michael-i.com/files/projects/m0n0ad/index.php?section=Active%20Directory%20Configuration

Whether it's PPTP, Captive Portal, etc. it'll be the same IAS configuration.  

-Chris