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(ITI310) SESSIONS 9-10-11-12: Active Directory By Eng. BASSEM ALSAID.

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Presentation on theme: "(ITI310) SESSIONS 9-10-11-12: Active Directory By Eng. BASSEM ALSAID."— Presentation transcript:

1 (ITI310) SESSIONS : Active Directory By Eng. BASSEM ALSAID

2 “ACTIVE DIRECTORY” Session 9: Introducing Active Directory Domain Services (AD DS) Describe the role of a directory service and the physical and logical Active Directory structure. Name Space, Catalogue, Global Unique Identifier (GUID), Replication. Read-Only Domain Controller (RODC) Installing Active Directory Domain Services. How to manage user accounts, computer accounts. Session 10: Introducing Group Policies The Computer Configuration Node. The User Configuration Node. How Group Policies Are Applied. Group Policy Management and Monitoring.

3 “ACTIVE DIRECTORY” Session 11: Configuring DNS for Active Directory
Describe the structure of Domain Name System. Install and use the DNS Server role in Windows Server 2008. Configure DNS zones. Configure advanced DNS server settings. Monitor and troubleshoot DNS. Session 12: Active Directory Certificate Services Describe the components of a PKI system. Deploy the Active Directory Certificate Services role. Configure a certification authority. Maintain a PKI.

4 SESSION 9 “Introducing Active Directory Domain Services“
Session Objectives: Describe the role of a directory service and the physical and logical Active Directory structure. Name Space, Catalogue, Global Unique Identifier (GUID), Replication. Read-Only Domain Controller (RODC) Installing Active Directory Domain Services. How to manage user accounts, computer accounts.

5 “Active Directory - Definition”
Active Directory Domain Services (AD DS) stores information about users, computers and other devices on the network. AD DS helps administrators securely manage these information and facilitate resource sharing and collaboration between users. AD DS is also required for directory-enabled applications such as Microsoft Exchange Server and for other Windows Server technologies such as Group Policy. From a technical point of view, a directory service is a distributed database that allows us to store information about network resources in order to facilitate their implementation and management.

6 “Active Directory – Logical Structure”
There are five organizing components of Active Directory: Object/Leaf : user accounts, groups, computer accounts, printers, shared folders, applications, servers, and domain controllers. Organizational Unit (OU)/Container: An object containing other objects. Domain: A domain can consist of one or more organizational unit. A domain shares a single administrator group (Domain Administrators security group) and same set of objects. Trees: All domains hierarchically connected constitute a Tree of domains. The domain at the top of the hierarchy is called the Root and the domains below are Sub-Domains. Forests: A forest can consist of one or more trees or domains and those domains are connected through transitive trust. Using a geographical analogy: an OU represents a city, a domain is the state, a tree is the country, and a forest is the continent.

7 Objects & Fields Active Directory Objects Printers Printer1
Attributes First Name Last Name Logon Name Printer Name Printer Location Active Directory Printers Printer1 Printer2 Suzan Fine Users Don Hall Attribute Value Objects Printer3

8 AD Organizational Units

9 AD domain and OUs

10 TREE Tree Root Domain svuonline.org tech.svuonline.org
Parent Domain Tree Root Domain svuonline.org Child Domain 2 Child Domain 1 tech.svuonline.org admin.svuonline.org New Sub-Domain

11 “Active Directory – Physical Structure”
Controllers and Sites are the only basic elements constituting the physical structure of a network configuration. Domain Controller (DC): a computer running Windows Server 2008 with the Active Directory Domain Services role installed. Site: each physical location with a domain controller operating in a common domain connected by a WAN constitutes a site. Link: Links are the transport mechanism for Active Directory replication between sites. Replication interval and costs can be configured on Site Links.

12 DC, SITE, LINK DAMASCUS ALEPPO HOMS LATAKIA Site IP subnet

13 “Domain Controller” Active Directory domain can consist of many domain controllers, each domain controller can service only one domain. Each domain controller contains a full replica of the objects that make up the domain and is responsible for the following functions: Storing a copy of the domain data and replicating changes to that data to all other domain controllers throughout the domain. Providing data search and retrieval functions for users attempting to locate objects in the directory. Providing authentication and authorization services for users who log on to the domain and attempt to access network resources. Kerberos is a network authentication protocol, uses a strong cryptography so a client can prove its identity to a server.

14 Name Space, Catalogue, Global Unique Identifier (GUID)
Name Space: A namespace is an area designated by specific limits in which the logical name assigned to a computer can be solved. The primary function of the namespace is to organize the descriptions of resources in order to enable users to locate these resources from their characteristics or properties. Catalogue: The global catalog contains a partial replica of every Windows 2008 domains in the directory: it is built automatically by the replication of Active Directory. GUID: Each object of a network must be identified by a unique property: it is why Active Directory associates a globally unique identifier (GUID) to each object. RODC: stores read-only copy of Active Directory database, except passwords.

15 Replication Domain Controller Domain Replication User1 User2

16 Conclusion

17 Installing Active Directory Domain Services
Practice 1: Installing Active Directory Domain Services To start the DCPROMO wizard, run: dcpromo.exe

18 “What’s Inside Active Directory?”
Active Directory’s contents and the functions it performs in your network are defined by the schema, objects, and Group Policy Objects (GPOs, discussed later in this chapter in “Introducing Group Policy”). The Active Directory Schema: The schema defines the type, organization, and structure of data stored in the Active Directory database and is shared by all domains in an Active Directory forest. The information the schema defines is divided into two categories: schema classes and schema attributes.

19 Schema classes, schema attributes, and Active Directory objects

20 Active Directory Database
Directory Partitions Schema Contains definitions and rules for creating and manipulating all objects and attributes Forest Configuration Contains information about Active Directory structure svuonline.org Holds information about all domain-specific objects created in Active Directory Domain Active Directory Database

21 Practice 2: Locating Objects with Active Directory Users and Computers.

22 NEXT SESSION Date: C9 : Wednesday 02-Jul :00 C10 : Thirsday 03-Jul :00 Title: “ACTIVE DIRECTORY – PART 2” THANKS


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