Understanding Active Directory and Group Policy

Kevin Brown2 minutes read

Kevin Brown provides an overview of Active Directory domain services, covering installation, user account creation, group policy management, and the differences between workgroup and domain network designs. Active Directory serves as a centralized database for user and computer accounts, allowing for efficient management of permissions, group policies, and network resources within organizations.

Insights

  • Active Directory is crucial for large companies as it centralizes user account management through a domain controller, simplifying network administration and enhancing security.
  • The process of setting up Active Directory involves naming the computer, configuring IP settings, installing the software through Server Manager, promoting the server to a domain controller, and creating organizational units for structured management of users and computers.

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Recent questions

  • What is Active Directory?

    A centralized system to manage user accounts and objects.

  • How do you install Active Directory?

    Access Server Manager, add roles, select Active Directory domain services, and install.

  • What is the difference between a workgroup and a domain?

    Workgroup is for small setups, domain is for large companies.

  • How do you create a new user in Active Directory?

    Specify details like first name, last name, user login, and set a password.

  • What is the purpose of organizational units in Active Directory?

    To structure objects like users and computers for centralized management.

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Summary

00:00

"Active Directory: Installation, Management, and Functions"

  • Active Directory domain services overview led by Kevin Brown covers the definition and necessity of Active Directory, installation, user account creation, and group policy management.
  • Workgroup and domain are two types of logical network designs, with workgroup akin to a home network for small setups under 20 devices.
  • In a workgroup, each computer has a Security Account Manager (SAM) database storing local user accounts unique to that computer.
  • A domain-based environment, common in large companies, involves a domain controller (DC) running Active Directory to centrally manage user accounts and other objects.
  • Before installing Active Directory, ensure to name the computer and set the IP configuration, including the DNS server pointing to the local machine.
  • To install Active Directory, access Server Manager, add roles and features, select Active Directory domain services, and install the software.
  • After installation, proceed to promote the server to a domain controller, creating a new Active Directory forest by naming it and setting functional levels.
  • Set a Directory Services Restore Mode password for potential backups and acknowledge any warnings about DNS server delegation during the setup process.
  • Active Directory functions as a database storing user and computer accounts, with the location specified during setup.
  • The NetBIOS domain name is derived from the domain name without the extension, simplifying it for network use.

18:44

"Setting Up Active Directory on Windows NT"

  • Windows NT bs contains the Active Directory database, a 20 MB file, along with transaction logs and a shared folder named sis fault.
  • Leaving default settings, the installation process proceeds by clicking "Next" and ensuring prerequisites are met before clicking "Install."
  • The machine becomes a domain controller in the RTS dot local forest after passing prerequisite checks and completing the installation.
  • Logging in as the RTS domain administrator reveals changes in domain name and the presence of Active Directory domain services and DNS.
  • Accessing Active Directory users and computers displays default accounts, allowing for the creation of new users like Bob Ross.
  • Creating a new user involves specifying details like first name, last name, user login, and setting a password.
  • Adding users to groups, like the sales group, involves creating the group, opening its properties, and selecting members to add.
  • Utilizing Active Directory groups, permissions for shared folders can be managed, ensuring controlled access for users.
  • Joining a computer to the domain involves changing settings on the client machine to become a member of the RTS dot local domain.
  • Organizational units are created under the domain to structure objects like users and computers, allowing for centralized management and application of group policies.

38:05

"Active Directory: User Policy Creation Process"

  • The organizational unit structure is discussed, highlighting the absence of user and computer containers in the view.
  • Direct policy creation and application limitations due to the missing containers are explained.
  • A demonstration of setting wallpaper and defining power options is detailed.
  • The process of changing a user's password in Active Directory is shown.
  • The default wallpaper and power options on a system are displayed before policy changes.
  • Creation of a group policy for wallpaper and power settings on the domain controller is outlined.
  • The impact of the created policies on user systems is observed, with the wallpaper change requiring a log out and log back in.
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