Postfix: Active Directory and postfix alias

Linux and Unix-Like UNIX and Linux Applications
1

I have a mailserver with postfix
i want to alias all mail for administrator@domain.fqdn
to root@domain.fqdn
I have the aliases configured,and i did newliases
but doesn't work.
How to did this?Postfix is configured for virtual domain on ad server.

2

This mentions a few other lines: Postfix Forward Email To Another Email Account

3

Thanks