Active Directory Fundamentals

Active Directory Trusts

Communication between the domains happens through trusts. Trusts are needed for users in one domain to access the resources in another domain. There are two types of default trusts that are automatically created as shown in the figure. Parent and Child type – By…
Active Directory Fundamentals

Domain Controllers

Computers that function as servers in a domain can be a member server or a domain controller. A member server belongs to a particular domain but does not authenticate the users of that domain. There is no Active directory data installed in it. Domain controllers are…
Active Directory Fundamentals

Global Catalog Server

A domain controller storesdomain informationrelated to its domain alone. To locate objects outside its domain is beyond its scope. Hence there is a need for a Global Catalog server. The global catalog contains a partial representation of all objects in the entire…
Active Directory Fundamentals

FSMO Roles

Active directoryis a multi-master enableddatabase.It provides the flexibility to allow changes to occur at any of the domain controllers. Flexibility comes with added responsibility. There is a need to prevent conflicting updates from being made across…
Active Directory Fundamentals

User Authentication and User Authorization

Active Directory user authentication confirms the identity of any user trying to log on to a domain. After confirming the identity of the user, he is allowed access to resources. A key feature of this is the single sign-on capability. This requires the user to provide his…
Active Directory Fundamentals

DNS and Active Directory

Domain Name System (DNS) is a name resolution method that is used to resolve host names to IP addresses. It is used on TCP/IP networks and across the internet. DNS is a namespace. Active Directory is built on DNS. DNS namespace is used internet wide while the Active…
Active Directory Fundamentals

LDAP and Active Directory

Lightweight Directory Access Protocol (LDAP) is a directory service that is based on Directory Access Protocol (DAP). DAP was used along with X.500 directory service. The drawback with DAP was that it placed large amount of processing burden on the client machines. Though…
Active Directory Fundamentals

Benefits of Active Directory

The benefits of Active directory usage are manifold. It makes the task of network administration simpler by maintaining a central repository of information. It providesOff-Sitea single destination to look out for information. Highly secured access to…
Active Directory Fundamentals

User Authentication and User Authorization

Active Directory user authentication confirms the identity of any user trying to log on to a domain. After confirming the identity of the user, he is allowed access to resources. A key feature of this is the single sign-on capability. This requires the user to provide his…
Active Directory Fundamentals

Active Directory Objects List

Objects are the fulcrum of Active Directory. The ease of an organization’s resource management comes from the fact that objects give AD a modular structure. Introduction The individual components of an organization’s network are called objects in Active Directory.