Active Directory Users and Computers is a snap-in. A snap-in cannot be started from a command line or from "Start" "run" it has to be started from an MMC (Microsoft Management Console). If you do not know how to create a Custom MMC let me know an
I will walk you through those steps.
you can use dsa.msc
Active Directory Users and Computers
One can download the snap-in for Active Directory Users and Computers through the Remote Server Administration Tools. The RSAT can be downloaded directly from the Microsoft website.
Go to start->programs->administrative tools->active directory users and computers->right click on users folder and create it
Domain Users.
steps that an administrator can take to block permission inheritance using the Active Directory Users and Computers tool block inheritence no override
The Active Directory administrative tools can only be used from a computer with access to a domain. The following Active Directory administrative tools are available on the Administrative Tools menu: Active Directory Users and Computers (dsa.msc) Active Directory Domains and Trusts (domain.msc) Active Directory Sites and Services (dssite.msc)
Active Directory Users and Computers
The following command-line tools can be used to manage Active Directory CSVDE Import and export Active Directory data using comma-separated format. Dsadd Add users, groups, computers, contacts, and organizational units to Active Directory. Dsmod Modify an existing object of a specific type in the directory. The types of objects that can be modified are: users, groups, computers, servers, contacts, and organizational units. Dsrm Remove objects of the specified type from Active Directory. Dsmove Rename an object without moving it in the directory tree, or move an object from its current location in the directory to a new location within a single domain controller. (For cross-domain moves, use the Movetree command-line tool.) Dsquery Query and find a list of objects in the directory using specified search criteria. Use in a generic mode to query for any type of object or in a specialized mode to query for for selected object types. The specific types of objects that can be queried through this command are: computers, contacts, subnets, groups, organizational units, sites, servers and users. Dsget Display selected attributes of specific object types in Active Directory. Attributes of the following object types can be viewed: computers, contacts, subnets, groups, organizational units, servers, sites, and users. LDIFDE Ceate, modify, and delete directory objects. This tool can also be used to extend the schema, export Active Directory user and group information to other applications or services, and populate Active Directory with data from other directory services. Ntdsutil General purpose Active Directory management tool. Use Ntdsutil to perform database maintenance of Active Directory, to manage single master operations, and remove metadata left behind by domain controllers that were removed from the network without being properly uninstalled.
group policy
Active Directory stores information about all the objects, resources on the network, policies applied on them and permissions on the resources..objects can be users, computers, printers etc
use dsa.msc to open users and computer console . one will get to see all groups, OU, users, computers etc.
The following command-line tools can be used to manage Active Directory CSVDE Import and export Active Directory data using comma-separated format. Dsadd Add users, groups, computers, contacts, and organizational units to Active Directory. Dsmod Modify an existing object of a specific type in the directory. The types of objects that can be modified are: users, groups, computers, servers, contacts, and organizational units. Dsrm Remove objects of the specified type from Active Directory. Dsmove Rename an object without moving it in the directory tree, or move an object from its current location in the directory to a new location within a single domain controller. (For cross-domain moves, use the Movetree command-line tool.) Dsquery Query and find a list of objects in the directory using specified search criteria. Use in a generic mode to query for any type of object or in a specialized mode to query for for selected object types. The specific types of objects that can be queried through this command are: computers, contacts, subnets, groups, organizational units, sites, servers and users. Dsget Display selected attributes of specific object types in Active Directory. Attributes of the following object types can be viewed: computers, contacts, subnets, groups, organizational units, servers, sites, and users. LDIFDE Ceate, modify, and delete directory objects. This tool can also be used to extend the schema, export Active Directory user and group information to other applications or services, and populate Active Directory with data from other directory services. Ntdsutil General purpose Active Directory management tool. Use Ntdsutil to perform database maintenance of Active Directory, to manage single master operations, and remove metadata left behind by domain controllers that were removed from the network without being properly uninstalled.