Install the Terminal Server role service

1. Open Server Manager. To open Server Manager, click Start, point to Administrative Tools, and then click Server Manager.
2. Under Roles Summary, click Add Roles.
3. On the Before You Begin page of the Add Roles Wizard, click Next.
4. On the Select Server Roles page, select the Terminal Services check box, and then click Next.
5. On the Terminal Services page, click Next.
6. On the Select Role Services page, select the Terminal Server check box, and then click Next.
7. On the Uninstall and Reinstall Applications for Compatibility page, review the information, and then click Next.
8. On the Specify Authentication Method for Terminal Server page, select the desired authentication method, and then click Next.
9. On the Specify Licensing Mode page, select the licensing mode that applies to your Terminal Services environment, and then click Next.
10. On the Select User Groups Allowed Access To This Terminal Server page, add any users or groups that you want to add to the Remote Desktop Users group, and then click Next.
11. On the Confirm Installation Selections page, verify that the Terminal Server role service will be installed, and then click Install.
12. On the Installation Results page, you are prompted to restart the server to finish the installation process. Click Close, and then click Yes to restart the server.
13. After the server restarts, the Resume Configuration Wizard completes the installation. When you see an Installation succeeded status message on the Installation Results page, click Close.