550 likes | 807 Views
MCITP Guide to Microsoft Windows Server 2008 Server Administration (Exam #70-646). Chapter 4 Introduction to Active Directory and Account Management. Learning Objectives. Understand Active Directory basic concepts Install and configure Active Directory
E N D
MCITP Guide to Microsoft Windows Server 2008 Server Administration (Exam #70-646) Chapter 4 Introduction to Active Directory and Account Management
Learning Objectives • Understand Active Directory basic concepts • Install and configure Active Directory • Plan and implement Active Directory containers • Create and manage user accounts • Configure and use security groups MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Learning Objectives (cont’d.) • Plan how to delegate object management • Describe and implement new Active Directory features MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Active Directory Basics • Directory service • Houses information about all network resources: • Servers, printers, user accounts, groups of user accounts, security policies, and other information • Domain controllers (DCs) • Servers that have the AD DS server role installed • Member servers • Do not have AD installed MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Active Directory Basics (cont’d.) • Domain • Fundamental component or container • Holds information about all network resources that are grouped within it • Each DC is equal to every other DC • Multimaster replication • Advantage • If one DC goes down, no network interruption MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Active Directory Basics (cont’d.) • Activity 4-1: Installing Active Directory Figure 4-2 Installation Results window Courtesy Course Technology/Cengage Learning MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Schema • Defines objects and the information pertaining to those objects that can be stored in Active Directory • Characteristics of objects • Sample schema for user account • Includes globally unique identifier (GUID) • Unique number associated with the object name • Each attribute automatically given a version number and date • When created or changed MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Global Catalog • Stores information about every object within forest • First DC configured in a forest becomes global catalog • Can change to another DC • Purposes: • Authentication • Forest-wide searches of data • Replication of key AD elements • Keeps copy of most used attributes for quick access MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Namespace • Name resolution • Converts computer and domain names to IP addresses • Namespace • Logical area on a network that contains directory services and named objects • Has the ability to perform name resolution MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Namespace (cont’d.) • Contiguous namespace • Every child object contains the name of the parent object • Disjointed namespace • Child name does not resemble the name of its parent object MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Containers in Active Directory • Treelike structure • Containers: • Forests • Trees • Domains • Organizational units (OUs) • Sites Figure 4-5 Active Directory hierarchical containers Courtesy Course Technology/Cengage Learning MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Forest • Highest level in an Active Directory • One or more Active Directory trees that are in a common relationship • Forest functional level • Active Directory functions supported forest-wide • Levels: • Windows 2000 native forest functional level • Windows Server 2003 forest functional level • Windows Server 2008 forest functional level MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Tree • Contains one or more domains that are in a common relationship • Domains in a tree typically have a hierarchical structure • Kerberos transitive trust relationship • Two-way trusts between parent domains and child domains MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Tree (cont’d.) • Transitive trust • If A and B have a trust and B and C have a trust, A and C automatically have a trust as well • Trusted domain • Granted access to resources • Trusting domain • One granting access to another domain MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Tree (cont’d.) • All domains within a single tree share the same schema • Defines all the object types that can be stored within Active Directory • All domains in a tree share same global catalog and a portion of their namespace MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Domain • Logical partition within an Active Directory forest • Primary container within Active Directory • Basic functions • To provide an AD partition to house objects • To establish a set of information to be replicated • To expedite management of a set of objects MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Domain (cont’d.) • Domain functional levels: • Windows 2000 domain functional level • Windows Server 2003 domain functional level • Windows Server 2008 domain functional level • Activity 4-2: Managing Domains • Objective: Learn where to manage domains and domain trust relationships MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Organizational Unit • Grouping of related objects within a domain • Allow the grouping of objects so that they can be administered using the same group policies • Such as security and desktop setup • Can be nested within other OUs • Best practices when creating OUs • Keep to 10 or fewer • Set up horizontally for best efficiency • Activity 4-3: Managing OUs • Objective: Create an OU and delegate control over it MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Site • TCP/IP-based concept (container) within Active Directory • Linked to IP address • Functions • Based on connectivity and replication functions • Bridgehead server • DC designated to have role of exchanging replication information • One per site MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Active Directory Guidelines • Keep Active Directory as simple as possible • Implement the smallest number of domains possible • Use OUs to reflect organization’s structure • Use domains as partitions in forests to demarcate commonly associated accounts and resources governed by group and security policies • Implement multiple trees and forests only as necessary • Use sites in situations where there are multiple IP subnets and multiple geographic locations MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Planning Functional Levels and Trusts • Carefully plan trusts between forests • External trust • Creates a trust relationship with a domain that is outside of a forest • Realm trust • Enables one- or two-way access between a Windows Server domain within a forest and a realm of UNIX/Linux computers • Shortcut trust • Enable a domain in one forest to quickly access resources in a domain within a different forest MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
User Account Management • General environments: • Accounts that are set up through a stand-alone server that does not have Active Directory installed • Accounts that are set up in a domain when Active Directory is installed MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Creating Accounts when Active Directory Is Not Installed • Install Local Users and Groups MMC snap-in: • For standalone servers that do not use Active Directory • Create a local user account on a server that is not a DC • See text for steps MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Creating Accounts when Active Directory Is Not Installed (cont’d.) Figure 4-11 Selecting the Local Users and Groups MMC snap-in Courtesy Course Technology/Cengage Learning MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Creating Accounts when Active Directory Is Not Installed (cont’d.) Figure 4-12 Creating a user account without Active Directory installed Courtesy Course Technology/Cengage Learning MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Creating Accounts when Active Directory Is Installed • Use Active Directory Users and Computers tool • From the Administrative Tools menu or as an MMC snap-in • Create each new account by entering account information and password controls • Activity 4-4: Creating User Accounts in Active Directory • Objective: Learn how to create a user account in Active Directory MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Creating Accounts when Active Directory Is Installed (cont’d.) Figure 4-13 Creating a user account Courtesy Course Technology/Cengage Learning MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Creating Accounts when Active Directory Is Installed (cont’d.) Figure 4-14 User account properties Courtesy Course Technology/Cengage Learning MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Disabling, Enabling, and Renaming Accounts • When to disable • Activity 4-5: Disabling, Renaming, and Enabling an Account • Objective: Practice disabling, renaming, and then enabling an account Figure 4-15 Disabling an account Courtesy Course Technology/Cengage Learning MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Moving an Account • May need to move a person’s account from one container to another • Activity 4-6: Moving an Account • Objective: Practice moving an account Figure 4-16 Moving an account Courtesy Course Technology/Cengage Learning MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Resetting a Password • Cannot look up forgotten passwords • Reset instead • Maintain guidelines for resetting passwords • Activity 4-7: Changing an Account’s Password • Objective: Practice changing an account’s password Figure 4-17 Resetting a password Courtesy Course Technology/Cengage Learning MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Deleting an Account • Delete accounts that are no longer in use • Globally unique identifier (GUID) is also deleted • Will not be reused even if you create another account using the same name • Activity 4-8: Deleting an Account • Objective: Practice deleting an account MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Security Group Management • Group accounts with similar characteristics together • Scope of influence (or scope) • Reach of a group for gaining access to resources in Active Directory • Types of groups and associated scopes: • Local • Domain local • Global • Universal MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Security Group Management (cont’d.) • Security groups • Enable access to resources on a stand-alone server or in Active Directory • Distribution groups • Used for e-mail or telephone lists MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Implementing Local Groups • Local security group • Used to manage resources on a stand-alone computer that is not part of a domain and on member servers in a domain (non-DCs) • Create using the Local Users and Groups MMC snap-in MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Implementing Domain Local Groups • Domain local security group • Used when Active Directory is deployed • Manage resources in a domain • Give global groups from the same and other domains access to those resources • Scope of a domain local group • Domain in which the group exists • Can convert a domain local group to a universal group MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Implementing Domain Local Groups (cont’d.) • Access control list (ACL) • List of security descriptors (privileges) that have been set up for a particular object Table 4-1 Membership capabilities of a domain local group MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Implementing Global Groups • Global security group • Contains user accounts from a single domain • Can also be set up as a member of a domain local group in the same or another domain • Broader scope than domain local groups • Can be nested • Typical use: • Add accounts that need access to resources in the same or in another domain • Make the global group in one domain a member of a domain local group in the same or another domain MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Implementing Global Groups (cont’d.) Figure 4-18 Nested global groups Courtesy Course Technology/Cengage Learning MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Implementing Global Groups (cont’d.) • Activity 4-9: Creating Domain Local and Global Security Groups • Objective: Create a domain local and a global security group and make the global group a member of the domain local group MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Implementing Universal Groups • Universal security groups • Span domains and trees • Can include • User accounts from any domain • Global groups from any domain • Other universal groups from any domain • Guidelines to help simplify how you plan to use groups • See text MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Implementing Universal Groups (cont’d.) Figure 4-21 Managing security through universal and global groups Courtesy Course Technology/Cengage Learning MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Properties of Groups • To edit properties: • Double-click group in the Local Users and Groups tool for a stand-alone (non domain) or member server • Or in the Active Directory Users and Computers tool for DC servers in a domain • Properties • General • Members • Member of • Managed by MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Planning the Delegation of Object Management • Security groups and user accounts enable an organization to delegate authority over objects • Establish and document policies • Common objects that are delegated include OUs, user accounts, and groups • Use Delegation of Control Wizard MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Implementing User Profiles • Local user profile • Automatically created at the local computer when you log on with an account for the first time • Advantages of user profiles • Roaming profile • Downloaded to client workstation each time user account is logged on • Mandatory user profile • Certain users cannot change their profiles MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
What’s New in Windows Server 2008 Active Directory • Restart capability • Read-Only Domain Controller (RODC) • Auditing improvements • Multiple password and account lockout policies in a single domain • Active Directory Lightweight Directory Services role MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Restart Capability • Stop Active Directory Domain Services without taking down the computer • General steps • See text for steps MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Read-Only Domain Controller • Cannot use to update information in Active Directory • Does not replicate to regular DCs • Can function as a Key Distribution Center for the Kerberos authentication method • Provides better security at branch locations • Example • Can be configured as DNS server MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Auditing Improvements • Audit trail of many types of changes • Records successful completion or reason for failure • Must set up in two places MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)
Multiple Password and Account Lockout Policies in a Single Domain • Set up multiple password and account lockout security requirements • Associate them with a security group, user or OU • Can now create more than one set of account policies within a domain • Password settings container (PSC) • Contains password settings objects (PSOs) • Represent unique set of password policies • Three policy sets: • Ordinary users, administrators, service accounts MCITP Guide to Microsoft Windows Server 2008, Server Administration (Exam #70-646)