Hi Anil,
Thank you Anil. That was the problem. Before I changed the user permission of  /var/run/samba/winbindd_privileged/ with out any success. Below command done the trick.

chgrp freerad /var/lib/samba/winbindd_privileged

My FreeRADIUS is running in Ubuntu 14.04.1 LTS

_______
Regards,
Shyju




Date: Sun, 16 Nov 2014 08:37:42 +0000
From: anilth@hi.is
To: freeradius-users@lists.freeradius.org
Subject: Re: Freeradius Active Directory Authentication using ntlm_auth

What Linux distro are you running ?

On 16/11/14 07:27, Shyju Kanaprath wrote:
MS-CHAP-Error = "\000E=691 R=1"
This stills seem to me permission issue.  show your config modules/mscap ?
If centos do this :

chgrp radiusd /var/lib/samba/winbindd_privileged

this should work




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