update dns error on ubuntu server 10.04

[hesam mohamadian]

Hello I have Ubuntu Server10.04 , When I Include
*/usr/local/samba/private/named.conf.update* in
*/etc/bind/named.conf *
after i restart bind9 service i face with this error also my bind versin is
:* bind9.7 *

loading configuration from '/etc/bind/named.conf'
Nov  2 16:31:21 stcc named[23851]:
/usr/local/samba/private/named.conf.update:2: unknown option 'update-policy'
Nov  2 16:31:21 stcc named[23851]: loading configuration: failure
Nov  2 16:31:21 stcc named[23851]: exiting (due to fatal error)
Can You Help Me