Thanks Phil, I would definitely explore on the pointer you mentioned. I am sorry folks to ask IIS question on this mailing list I was little frustrated. 

Thanks,
Chidanand



On Mon, Sep 6, 2010 at 10:17 PM, Phil Mayers <p.mayers@imperial.ac.uk> wrote:
On 09/06/2010 03:00 PM, Chidanand Gangur wrote:
At present I have removed Proxy from my set up and have directly
connected my host to AD (IIS server)

This isn't a FreeRadius question. Ask on an NPS/IAS server mailing list.

But...

>From distant memory, MD5 password support requires "reversible password encryption" to be enabled - a domain-wide option I think - and then for you to change the users passwords, so that AD can generate the new crypt.

You should investigate this. FreeRadius can't help you.

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--
Chidanand Gangur
Pune.