关键字：活动目录，域，子域，域的信任，域的管理。
Activity directory of security
Abstract
Through Active Directory security configuration and management to realize the full data backup and recovery needs, to avoid the collapse of the server or in the event of an accident, they can back up the data through to the restoration of the directory to ensure that the vicious effects of the disaster reduction . Active Directory can be done through the maintenance of servers, to avoid the collapse of the server from the server in the data loss. Even if the server suffered an accident in time to data loss, and also to the original server data and content as possible. This requires security in Active Directory to create a backup.
Keywords: Active Directory, domain, subdomain, domain trust, the management domain.
