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Adding the Terminal Services Role

Terminal Services can be added to any domain member server. You can add the Terminal Server role to a Windows Server 2008, using the Add Roles Wizard.

1. From the Server Manager (with the Roles node selected) or the Initial Configuration Tasks window, select Add Roles. The Add Roles Wizard opens. Click Next to bypass the initial wizard page.

2. On the next wizard page, select the Terminal Services check box and then click Next.

3. An introduction to Terminal Services appears on the next page, which also includes a link to more information about Terminal Services. Click Next.

4. On the next page, you are provided a list of the services available as part of the Terminal Services role:

  • Terminal Server— This service enables the server to host Windows applications or a complete Windows desktop.
  • TS Licensing— This service is used to manage Terminal Services client access licenses. Each user or device that connects to a terminal server requires Terminal Services Licensing (TS Licensing).
  • TS Session Broker— This service allows load balancing between Terminal Services servers in a domain. This service is not needed when only one Terminal Services server is being deployed on the network.
  • TS Gateway— This service enables remote users to connect to the terminal server (or servers) on the network from any Internet-connected device.
  • TS Web Access— This service enables users to access RemoteApp programs running on the terminal server via a Web browser.

Select the services you want to install (for discussion purposes in this hour, assume that you have added the terminal server and TS Licensing services; the TS Gateway and TS Web Access services require an understanding of a number of other Windows Server 2008 services—see the tip that follows) and then click Next.

Did you Know?

If you install the TS Gateway and/or the TS Web Access services, the IIS 7 (Internet Information Service) web server must also be installed on the server. When you click either TS Gateway or TS Web Access on the Select Role Services page, the Add Roles dialog box opens. It alerts you that IIS must be installed. In the dialog box, click Add Required Role Services to install IIS (during the terminal server installation). For more about IIS, see Hour 23, “Using the Internet Information Service.” The Network Policy Server (NPS) is also installed when you select the web access–related Terminal Services. See Hour 17, “Remote Access and Virtual Private Networking,” for more about NPS.

5. The next wizard page relates to application compatibility. If the server already has applications installed on it, you should remove them and then reinstall them after you install Terminal Services. Click Next.

6. The next wizard page relates to a new user authentication feature provided by Windows Server 2008. Users running Windows Vista (which can take advantage of this new authentication method) who connect to a Terminal Services server running Windows Server 2008 can be authenticated using Network Level Authentication. This authentication method authenticates the user before a Remote Desktop connection is established. This provides better security for the server and also doesn’t initially require all that many resources to perform the authentication. Click Require Network Level Authentication to enable the feature. Otherwise, click Do Not Require Network Level Authentication (see Figure 19.1). Then click Next.

Figure 19.1. You can enable (or disable) the Network Level Authentication feature.

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By the Way

Windows Vista is currently (at the time this book was written) the only client OS that can take advantage of Network Level Authentication. If you are going to want clients running earlier versions of Windows to access the Terminal Services server, don’t enable the Network Level Authentication feature on the server.

7. On the next page (if you chose to install the TS Licensing service on this server), you must specify the TS Licensing mode you will use on the Terminal Services server. You can select one of the following options: Configure Later (you have 120 days to test Terminal Services), Per Device (each device must have a TS license), or Per User (each user must have a TS license). Select an option and then click Next.

8. On the next wizard page, you are asked to provide the user groups that will be authorized to connect to this terminal server. The Administrators group has been added by default; click the Add button to add other groups as needed. After adding the groups, click Next.

9. The next page requires that you specify the discovery scope of the TS Licensing server (see Figure 19.2): This Domain or The Forest. This Domain enables any terminal servers in the domain to use the Licensing server, and the The Forest option enables any terminal servers in the forest to use the Licensing server. Select an option.

Figure 19.2. Set options for the TS Licensing service.

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This page also enables you to specify the location of the TS licensing database on the server. Use the Browse button to specify a path (other than the default location provided). Then click Next.

10. The Confirmation page for the Terminal Services installation appears. Click Install.

When the installation is complete, you need to restart the server. Click Close and then Yes. After the server has rebooted, you need to close the wizard window (click Close).

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