The error could be due to folwloing
The network is down.
The domain controller is not reachable(PDC is not available need to check, RID stack is not full and RID master is not down)
The account used does not have permission to add user/computer etc
Check the event log to find the event id and search at tech net
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).
I will walk you through those steps.
you can use dsa.msc
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)
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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.
The DS tools consist of the following commands DSQUERY - search for active directory objects matching criteria DSGET - retrieves selected attributes from active directory objects DSMOD - modify attributes for one or more active directory objects DSADD - create active directory objects DSMOVE - move active directory objects DSRM - removes/deletes active directory objects
Go to start->programs->administrative tools->active directory users and computers->right click on users folder and create it
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steps that an administrator can take to block permission inheritance using the Active Directory Users and Computers tool block inheritence no override
DCPROMO Unattended Installation
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
Active Directory Services is included with most Windows systems as it is a product of Microsoft. It is often used with Windows domain networks, authorizing computers within the network.
, the server hosting the replica of Active Directory database is called Domain Controller. In it's database is all information about all objects, that exist in particular Active Directory domain.