Restore deleted user accounts from AD

In my case i have 2 DC
- Primary AD is Windows Server 2003
- Additional AD is Windows Server 2008 R2 and running Exchange 2010 also
Luckily that i have a full backup of Additional AD before my stupid mistake to delete 3 users .. so restart to directory service restore mode and restore the system state .
* Using wbadmin to do a full backup
wbadmin start backup -backupTarget:\\\SLBA181M -allCritical -vssFull -quiet
then follow this limk to restore that deleted user accounts
http://support.microsoft.com/kb/840001
My case i'm using ldp method to restore the account