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Windows XP Professional supports the use of both System Policy and Group Policy to specify user and computer configurations. System Policy, introduced in Windows NT 4.0, is more limited than Group Policy, introduced in Windows 2000. In a Windows NT domain, domain administrators use System Policy to manage the user s work environment and to enforce system configuration settings. In a Windows 2000 or Windows Server 2003 domain, Group Policy settings are your primary method for enabling centralized change and configuration management. A domain administrator can create Group Policy settings at a Windows 2000 based or Windows Server 2003 based domain controller to create a specific system configuration for a particular group of users, computers, or both. You can use Group Policy to do the following:

Automatically install applications assigned to users or computers or both, and provide location independence for roaming users. Permit desktop customization and lockdown. Configure security policies.

For more information about Group Policy, see Group Policy and System Policy Settings later in this chapter.

8 Speak out loud, reading the provided paragraph if you want to set the sensitivity of your microphone. Click Next when you are done.

To allow your Windows XP Professional based computer to take its place in a Microsoft network, you must first perform these fundamental tasks: assess the current network environment, install and configure your transport protocol, connect your computer to the appropriate network environment, verify that that you are logged on, and then troubleshoot any problem that might have occurred in the process.

Before adding a Windows XP Professional based computer to a network, you must determine whether you want to add the computer to a Windows 2000 or Windows Server 2003 domain, to a Windows NT domain, to a workgroup of computers running Microsoft Windows 95 and Microsoft Windows 98, or to a non-Windows based environment such as Novell Netware. Typically, the network environment determines the authentication method you choose to access the network, the means you choose to enforce desktop and security rules (Group Policy or System Policy), and the method you use to handle logon scripts.

Figure 8-10. If you have more than one microphone or set of speakers, select each on this page of the wizard.

Part IV:

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Before you can add a Windows XP Professional based computer to an existing network, you must establish client connectivity with the network. Transmission Control Protocol/Internet Protocol (TCP/IP) has become the universal network protocol suite because of its scalability and its role as an Internet standard. For all recommended tasks, it is assumed that the Windows XP Professional based computer on the Microsoft network runs IP protocol as the default network protocol. Windows XP Professional supports NetBIOS over TCP/IP (NetBT), Windows Sockets (WinSock), and the Internetwork Packet Exchange/Sequenced Packet Exchange protocol (IPX/SPX). NetBT and WinSock are installed by default. IPX/SPX can be added if needed for connectivity to legacy Novell networks. For more information about the Windows XP Professional implementation of TCP/IP and IP configuration, see Configuring TCP/IP on the companion CD. For more information about network protocol installation and configuration, see TCP/IP and Other Network Protocols later in this chapter.

A user who has appropriate permissions can do the following:

Once you have tuned your microphone and speakers, you are ready to make a voice call to a contact. In the Windows Messenger window, right-click the person you want to have a voice conversation with, and choose Start A Voice Conversation from the shortcut menu that appears. A Conversation window appears and a request for a voice conversation is sent to the contact. If the contact accepts, you can begin the voice conversation, as shown in Figure 8-11.

Join a domain or workgroup. No rights are required for joining a workgroup. Create the computer account in a domain during Windows XP Professional installation. For workgroups, no permissions are required. Use the Network Identification Wizard to make the Windows XP Professional based computer a member of a specified domain or workgroup. Manually add a computer to a network by specifying the appropriate domain or workgroup on the Computer Name tab of the System Properties dialog box.

For more information about joining a domain or workgroup, see Microsoft Network Environments later in this chapter.

To verify that a Windows XP Professional based client is added to the network, attempt to log on to the domain where you added the computer; or if you added the computer to a workgroup, log on locally. If you are in a domain environment, make sure that logon scripts function as expected and that no conflicts occur between the following:

Figure 8-11.

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