- windows server for each server
- windows desktop for each desktop
- office for each desktop
- sql server for each server
- cals for exchange, sql, windows network, remote desktop
closed as too localized by RobM, Scott Pack, GregD, Ben Pilbrow, Zypher♦ Dec 22 '10 at 14:40
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You don't need a 'license' for remote desktop. It's built in. If you want to setup an application server that the windows desktops can connect to, you'll need Terminal Server CALs.
Depending on the size of your network, you should investigate the Small Business Server line of products, as there is a version which bundles 2 Server licenses, SQL Server, Exchange Server (and other server products like Sharepoint and IIS) together in 1 license, and the respective Client Access Licenses are also bundled. Very cost effective for smaller (sub 50-75 people) networks.
In addition, you should be clear on whether you need per device or per user licensing, as this will affect what the Microsoft Licensing specialist might recommend.