xl2tpd+radiusclient-авторизация в AD на w2k3 r2?

xl2tpd.conf
[global]

[lns default]
ip range = 172.16.99.1-172.16.99.14
local ip = 172.16.99.14
require chap = yes
refuse pap = yes
require authentication = yes
name = LinuxVPNserver
ppp debug = yes
pppoptfile = /etc/ppp/options.xl2tpd
length bit = yes
exclusive = yes
---------------------
options.xl2tpd
ipcp-accept-local 3
ipcp-accept-remote 8
ms-dns 172.16.99.14
noccp
auth
mtu 1460
mru 1460
defaultroute
debug
lock
logfile /var/log/pppd
nodeflate
nobsdcomp
nopcomp
noaccomp
noproxyarp
plugin radius.so
plugin radatt.so
-------------------
radiusclient.conf
auth_order radius
login_tries 4
login_timeout 60
nologin /etc/nologin
issue /etc/radiusclient-ng/issue
authserver localhost
acctserver localhost
servers /etc/radiusclient-ng/servers
dictionary /usr/share/radiusclient-ng/dictionary
login_radius /usr/sbin/login.radius
seqfile /var/run/radius.seq
mapfile /etc/radiusclient-ng/port-id-map
default_realm
radius_timeout 10
radius_retries 3
#bindaddr *
login_local /bin/login
------------------

Plugin radius.so loaded.
RADIUS plugin initialized.
Plugin radattr.so loaded.
RADATTR plugin initialized.
speed 8 not supported
using channel 100
Using interface ppp0
Connect: ppp0 <--> /dev/pts/2
sent [LCP ConfReq id=0x1 <mru 1460> <asyncmap 0x0> <auth chap MD5> <magic 0xa619befc>]
rcvd [LCP ConfReq id=0x0 <mru 1400> <magic 0x66d17a11> <pcomp> <accomp> <callback CBCP>]
sent [LCP ConfRej id=0x0 <pcomp> <accomp> <callback CBCP>]
rcvd [LCP ConfReq id=0x1 <mru 1400> <magic 0x66d17a11>]
sent [LCP ConfAck id=0x1 <mru 1400> <magic 0x66d17a11>]
sent [LCP ConfReq id=0x1 <mru 1460> <asyncmap 0x0> <auth chap MD5> <magic 0xa619befc>]
rcvd [LCP ConfAck id=0x1 <mru 1460> <asyncmap 0x0> <auth chap MD5> <magic 0xa619befc>]
sent [CHAP Challenge id=0xbb <6ba70603fd115d9843dd17b4fc15407e943b>, name = "LinuxVPNserver"]
rcvd [LCP Ident id=0x2 magic=0x66d17a11 "MSRASV5.20"]
rcvd [LCP Ident id=0x3 magic=0x66d17a11 "MSRAS-0-VIDEO-EVG-VIRT"]
rcvd [CHAP Response id=0xbb <c9fb107efee85414ccdc37106c8940d7>, name = "AMA\\vpn-evg"]
Peer AMA\\vpn-evg failed CHAP authentication
sent [CHAP Failure id=0xbb ""]
sent [LCP TermReq id=0x2 "Authentication failed"]
rcvd [LCP TermAck id=0x2 "Authentication failed"]
Connection terminated.