Chapter 8: Network Operating Systems and

Windows Server 2003-Based Networking

Objectives:

Discuss the functions and features of a network operating system

Define the requirements for a Windows Server 2003 network environment

Describe how Windows Server 2003 fits into an enterprise-wide network

Objectives (continued)

Perform a simple Windows Server 2003 installation

Manage simple user, group, and rights parameters in Windows Server 2003

Understand how Windows Server 2003 integrates with other popular network operating systems

Introduction to Network Operating Systems

• Centrally manage network resources

• Secure access to network

• Allow remote users to connect

• Allow users to connect to other networks

• Back up data and make sure it’s available

• Allow for simple additions of clients and resources

• Monitor status and functionality of network elements

• Distribute programs and software updates to clients

• Ensure efficient use of a server’s capabilities

• Provide fault tolerance

Introduction to Network Operating Systems (continued)

• Selecting a Network Operating System

• Compatible with existing infrastructure?

• Provide the security required by resources?

• Can technical staff manage it effectively?

• Will applications run smoothly on it?

Introduction to Network Operating Systems (continued)

• Selecting a Network Operating System

• Will it accommodate future growth?

• Does it support the additional services users require?

• Does it fit budget?

• What additional training will it require?

• Support from its manufacturer?

Introduction to Network Operating Systems (continued)

• Network Operating Systems and Servers

• How many clients will connect to the server?

• What kinds of applications will run on the server?

• How much storage space will each user need?

• How much downtime, if any, is acceptable?

• What can the organization afford?

Network Operating System Services and Features

• Client Support

• Creating and managing client accounts

• Enabling clients to connect to the network

• Allowing clients to share resources

• Managing clients’ access to shared resources

• Facilitating communication between clients

Network Operating System Services and Features (continued)

• Client/Server Communication

• Credentials- user name and password

• Redirector- intercepts the request

• Authentication- matching credentials

Network Operating System Services and Features (continued)

• Users and Groups

• Access a client (or user) has depends on user account and groups assigned

Network Operating System Services and Features (continued)

• Identifying and Organizing Network Elements• Directory

• LDAP (Lightweight Directory Access Protocol)

• Object

• Attributes

• Schema

• Containers, or Organizational Units (OUs).

Network Operating System Services and Features (continued)

• Sharing Applications• Ability to share resources, reducing costs and time

required to manage the resources

• Sharing Printers• Increase the efficiency of managing resources and

reduce costs for an organization

Network Operating System Services and Features (continued)

• Sharing Printers• All NOSs can

• Create an object that identifies the printer to the rest of the network

• Assign the printer a unique name

• Install drivers associated with the printer

• Set printer attributes, such as location and printing preferences

Network Operating System Services and Features (continued)

• Sharing Printers• All NOSs can (continued)

• Establish or limit access to the printer

• Remotely test and monitor printer functionality

• Update and maintain printer drivers

• Manage print jobs, including modifying a job’s priority or deleting jobs from the queue

Network Operating System Services and Features (continued)

• Managing System Resources• Memory

• Physical memory and Virtual memory

• Multitasking

• Preemptive multitasking

• Multiprocessing

• Processing and Threads

Introduction to Windows Server 2003

• Four different, but related NOSs:• Standard Edition

• Web Edition

• Enterprise Edition

• Datacenter Edition

Why Choose Windows Server 2003?

• General benefits, Standard Edition• Support for multiple processors, multitasking, and

symmetric multiprocessing

• Active Directory

• Microsoft Management Console (MMC)

• Integrated Web development and delivery services

• Support for modern protocols and security

Why Choose Windows Server 2003? (continued)

• General benefits, Standard Edition• Excellent integration with NOSs and support for

client operating systems

• Integrated remote client services

• Provisions for monitoring and improving server performance

• Support for high-performance, large-scale storage devices

Windows Server 2003 Hardware Requirements

• Servers generally require more processing power, memory, and hard disk space than do client workstations

• The Hardware Compatibility List (HCL) lists all computer components proven to be compatible with Windows Server 2003.

A Closer Look at Windows Server 2003

• Windows Server 2003 Memory Model

• Can use virtual memory

• Assigns each application (or process) its own 32-bit memory area

• Allows you to install more physical memory

A Closer Look at Windows Server 2003 (continued)

• Windows Server 2003 File Systems

• FAT (File Allocation Table)

• FAT16 & FAT32

• CDFS (CD-ROM File System) and UDF (Universal Disk Format)

• NTFS (New Technology File System)

A Closer Look at Windows Server 2003 (continued)

• Microsoft Management Console (MMC)

• All administrative tools are integrated into a single interface

• Purpose is to gather multiple administrative tools into a convenient console for your network environment

A Closer Look at Windows Server 2003 (continued)

• Active Directory• Workgroups

• Group of interconnected computers that share each other’s resources

• Domains

• Domain model

• Domain controllers

• Member servers.

A Closer Look at Windows Server 2003 (continued)

A Closer Look at Windows Server 2003 (continued)

A Closer Look at Windows Server 2003 (continued)

• Active Directory (cont.)

• Organizational Units

• NOSs use organizational units (OUs) to hold multiple objects that have similar characteristics

• Windows Server 2003 OU can contain over 10 million objects

A Closer Look at Windows Server 2003 (continued)

A Closer Look at Windows Server 2003 (continued)

• Trees and Forests

• Domain tree

• Root domain

• Child domains

• Forest

• Collection of one or more domain trees

A Closer Look at Windows Server 2003 (continued)

• Trust Relationships

• Two-way transitive trust

• Explicit one-way trust

A Closer Look at Windows Server 2003 (continued)

A Closer Look at Windows Server 2003 (continued)

A Closer Look at Windows Server 2003 (continued)

• Naming Conventions

• Distinguished name (DN)

• Relative distinguished name (RDN)

• User principal name (UPN)

A Closer Look at Windows Server 2003

Planning for Installation

• Create a plan for your server and its place in your network

• Consider many factors, including organizational structure, server function, applications, number of users, LAN architecture, and optional services

Installing and Configuring a Windows Server 2003 Server

• The Installation Process• Can install from a CD-ROM or remotely over the

network

• Initial Configuration• Server still isn’t ready to support clients

• You must configure the software

Installing and Configuring a Windows Server 2003 Server

(continued)

• Establishing Users and Groups• Installation process creates two accounts:

• Guest

• limited privileges

• Administrator

• extensive privileges

Internetworking with Other Network Operating Systems

(continued)

• Windows Server 2003 can communicate with almost any kind of client and, given the proper software and configuration, with the other major NOSs

Chapter Summary

• Functions and features of a network operating system

• Define the requirements for a Windows Server 2003 network environment

• Describe how Windows Server 2003 fits into an enterprise-wide network

Chapter Summary (continued)

• Perform a simple Windows Server 2003 installation

• Manage simple user, group, and rights parameters in Windows Server 2003

• Understand how Windows Server 2003 integrates with other popular network operating systems