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70-290: MCSE Guide to Managing a Microsoft Windows Server 2003 Environment Chapter 4: Implementing and Managing Group and Computer Accounts.

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Presentation on theme: "70-290: MCSE Guide to Managing a Microsoft Windows Server 2003 Environment Chapter 4: Implementing and Managing Group and Computer Accounts."— Presentation transcript:

1 70-290: MCSE Guide to Managing a Microsoft Windows Server 2003 Environment Chapter 4: Implementing and Managing Group and Computer Accounts

2 Objectives Understand the purpose of using group accounts to simplify administration Create group objects using both graphical and command-line tools Manage security groups and distribution groups Explain the purpose of the built-in groups created when Active Directory is installed Create and manage computer accounts Guide to MCSE , Enhanced

3 Introduction to Group Accounts
A group is a container object Used to organize collections of users, computers, contacts, other groups Used to simplify administration Similar to Organizational Units except OUs are not security principals, groups are OUs can only contain objects from their parent domain, groups can contain objects from within forest Guide to MCSE , Enhanced

4 Group Types Security groups Distribution groups
Defined by Security Identifier (SID) Can be assigned permissions for resources In discretionary access control lists (DACLs) Can be assigned rights to perform different tasks Can also be used as entities Distribution groups Primarily used as entities Do not have associated SID Guide to MCSE , Enhanced

5 Group Scopes Scope refers to logical boundary of permissions to specific resources Both Security and Distribution Groups have scopes Three scopes Objects possible within each scope dependent on configured functional level of a domain Scope types are global, domain local, and universal Guide to MCSE , Enhanced

6 Group Scopes (continued)
Three domain functional levels: Windows 2000 mixed: default configuration, supports a combination of Windows NT Server 4.0, 2000 Server, and Server 2003 domain controllers Windows 2000 native: supports a combination of Windows 2000 Server and Server 2003 domain controllers Windows Server 2003: supports Windows Server 2003 domain controllers only Guide to MCSE , Enhanced

7 Global Groups Organize groups of users, computers, groups within the same domain Usually represents a geographic location or job function group Types of objects in group related to configured functional level of the domain Depends on the types of domain controllers in environment Guide to MCSE , Enhanced

8 Domain Local Groups Created on domain controllers
Can be assigned rights and permissions to any resource within the same domain Can contain groups from other domains Specific objects allowed in group related to configured functional level of the domain Guide to MCSE , Enhanced

9 Universal Groups Typically created to aggregate users or groups in different domains Stored on domain controllers configured as global catalog servers Can be assigned rights and permissions for any resource within a forest Can only be created at the Windows 2000 native or Windows Server 2003 domain functional level Guide to MCSE , Enhanced

10 Universal Groups (continued)
Guide to MCSE , Enhanced

11 Creating Group Objects
Group objects are stored in Active Directory database Variety of tools can be used can be used for creation and management Active Directory Users and Computers Command-line utilities DSADD, DSMOD, DSQUERY, etc. Guide to MCSE , Enhanced

12 Active Directory Users and Computers
Primary tool To create group accounts Can also be used to configure properties of group accounts Groups can be created in any built-in containers, at root of the domain object, or in custom OU objects Possible group scopes determined by the functional level the domain is configured to Guide to MCSE , Enhanced

13 Active Directory Users and Computers (continued)
Guide to MCSE , Enhanced

14 Activity 4-1: Creating and Adding Members to Global Groups
Objective: Use Active Directory Users and Computers to create global groups Start  Administrative Tools  Active Directory Users and Computers  Users container  New  Group Follow directions to create several global groups and add user accounts to the groups Guide to MCSE , Enhanced

15 Activity 4-1 (continued)
Guide to MCSE , Enhanced

16 Activity 4-2: Creating and Adding Members to Domain Local Groups
Objective: Use Active Directory Users and Computers to create domain local groups Active Directory  Users  New  Group Follow directions to create new Domain Local groups and add global groups to them Guide to MCSE , Enhanced

17 Activity 4-3: Changing the Functional Level of a Domain and Creating and Adding Members to Universal Groups Objective: Change the functional level of a domain to Windows Server 2003 and use Active Directory Users and Computers to create universal groups Open your domain object in Active Directory Users and Computers Guide to MCSE , Enhanced

18 Activity 4-3 (continued)
Guide to MCSE , Enhanced

19 Activity 4-3 (continued)
Follow directions to raise the functional level of your domain to Windows Server 2003 Continue the exercise to create a new universal group Continue the exercise to add existing groups to the new group Guide to MCSE , Enhanced

20 Activity 4-3 (continued)
Guide to MCSE , Enhanced

21 Converting Group Types
May need to change a security group to a distribution group or vice versa Type of group can only be changed if domain functional level is Windows 2000 native or above Guide to MCSE , Enhanced

22 Activity 4-4: Converting Group Types
Objective: Use Active Directory Users and Computers to change group types Follow directions to create a new global group with distribution type Verify type of new group Continue exercise to change type to security and to verify the change Guide to MCSE , Enhanced

23 Activity 4-4 (continued)
Guide to MCSE , Enhanced

24 Activity 4-4 (continued)
Guide to MCSE , Enhanced

25 Converting Group Scopes
Scope of a group can be changed Domain functional level must be at least Windows 2000 native Supported changes Global to universal Domain local to universal Universal to global Universal to domain local Guide to MCSE , Enhanced

26 Activity 4-5: Converting Group Scopes
Objective: Use Active Directory Users and Computers to change group scopes Follow directions to create a new global group Add a member group Note restrictions and warnings that follow from group scope structure as described in exercise Change the scope of the group to universal Guide to MCSE , Enhanced

27 Command Line Utilities
An alternative to Active Directory Users and Computers Some administrators have a preference for command-line utilities Command-line utilities are more flexible for group management and creation in some situations Guide to MCSE , Enhanced

28 DSADD Introduced in Windows Server 2003
Used to create new user and group accounts Syntax is dsadd group distinguished-name switches Switches include: -secgrp, -scope, -memberof, -members More help is available for switches and options at Windows Server 2003 Help and Support Center or at command-line Guide to MCSE , Enhanced

29 DSADD (continued) Guide to MCSE , Enhanced

30 Activity 4-6: Creating Groups Using DSADD
Objective: Use the DSADD GROUP command to add groups of different types and scopes Follow directions to execute dsadd group command to create a new global group Verify group creation with Active Directory Users and Computers Create a domain local group with members using dsadd group and verify that group was properly created Guide to MCSE , Enhanced

31 DSMOD Also introduced in Windows Server 2003
Allows various object types to be modified from the command line Syntax is dsmod group distinguished-name switches Switches include: -desc, -rmmbr, -addmbr More help is available for switches and options at Windows Server 2003 Help and Support Center or command-line Guide to MCSE , Enhanced

32 DSMOD (continued) Guide to MCSE , Enhanced

33 Activity 4-7: Modifying Groups Using DSMOD
Objective: Use the DSMOD GROUP command to modify group accounts Follow directions to execute dsmod group command to add a description to an existing group Verify modification with Active Directory Users and Computers Modify group by adding and removing members and verify changes Guide to MCSE , Enhanced

34 DSQUERY Also introduced in Windows Server 2003
Used to query various object types from the command line, returns values Syntax for groups is dsquery group query Supports wildcard character (*) Output can be piped as input to other command-line tools More help is available for switches and options at Windows Server 2003 Help and Support Center or command-line Guide to MCSE , Enhanced

35 DSMOVE Used to move or rename various object types from the command line Syntax for groups is dsmove group distinguished-name switches Switches include: -newparent, -newname Can only be used for groups within a single domain More help is available for switches and options at Windows Server 2003 Help and Support Center or at the command-line Guide to MCSE , Enhanced

36 DSRM Used to delete various object types from the command line
Syntax for groups is dsrm group distinguished-name switches Switches include: -noprompt More help is available for switches and options at Windows Server 2003 Help and Support Center or command-line Guide to MCSE , Enhanced

37 Managing Security Groups
Strategy for managing security groups uses acronym A G U DL P: Create user Accounts (A) and organize them within Global groups (G) Optional: Create Universal groups (U) and place global groups from any domain in universal groups Create Domain Local groups (DL) and add global and universal groups Assign Permissions (P) to the domain local groups Guide to MCSE , Enhanced

38 Determining Group Membership
Important task for administrators is to ensure that users are members of correct groups One method is via Member Of tab in the properties of a user account Only shows first level of groups (not groups of groups) Second method is to use DSGET Returns values to a query Guide to MCSE , Enhanced

39 Determining Group Membership (continued)
Syntax is dsget group distinguished-name switches Switches include: -members, -memberof Can also be used as dsget user to get membership information about a specific user Output can be saved to a file: dsget group distinguished-name switches >> filename Guide to MCSE , Enhanced

40 Built-In Groups When Windows Server 2003 Active Directory is installed
Built-in groups are created automatically Rights are pre-assigned Stored in Builtin container and Users container Use built-in groups where possible Eases implementation of security rights Guide to MCSE , Enhanced

41 The Builtin Container Contains a number of domain local group accounts
Allocated different user rights based on common administrative or network-related tasks Guide to MCSE , Enhanced

42 The Builtin Container (continued)
Guide to MCSE , Enhanced

43 The Users Container Contains a number of domain local and global group accounts Some groups only found in the root domain of an Active Directory forest rather than in individual domains Guide to MCSE , Enhanced

44 The Users Container (continued)
Guide to MCSE , Enhanced

45 Creating and Managing Computer Accounts
Computer accounts needed on Windows NT 4.0, 2000, XP, Server 2003 Can be created during installation or added manually later Creation and management tools Active Directory Users and Computers System applet in Control Panel Command-line utilities Guide to MCSE , Enhanced

46 Activity 4-8: Creating and Managing Computer Accounts
Objective: Use Active Directory Users and Computers to create and manage computer accounts Follow directions to create a new computer account from Active Directory Users and Computers Configure and review the account as directed Guide to MCSE , Enhanced

47 Activity 4-8 (continued)
Guide to MCSE , Enhanced

48 Resetting Computer Accounts
Secure channel Used by computers that are domain members to communicate with domain controller Uses password that is changed every 30 days Automatically synchronized between domain controller and workstation Occasional synchronization issues arise Administrator must reset computer account Using Active Directory Users and Computers or Netdom.exe command from Windows Support Tools Guide to MCSE , Enhanced

49 Summary Group accounts reduce administrative effort by enabling assignment of common rights and permissions to multiple users simultaneously Two group security types: Security groups Distribution groups Three types of scoping possible for groups Global groups Domain local groups Universal groups Guide to MCSE , Enhanced

50 Summary (continued) Group and computer accounts can be created and managed From Active Directory Users and Computers From command-line utilities Builtin and User groups and containers are automatically created at installation with specific pre-assigned rights and permissions Windows NT 4.0, 2000, XP, and Server 2003 require computer accounts in Active Directory Guide to MCSE , Enhanced

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