By default, Aero style is not available in Windows Server 2008 R2. To enable the Aero desktop experience in Windows Server 2008 R2 you will need to install the Desktop Experience feature.
Microsoft has released a set of 3 Guides on how to use, how to manage product keys & how to track and report activation data using Volume Activation Management Tool, VAMT 2.0, in Windows client and Windows Server products.
These 4 Guides, for Windows Server 2008 R2, from Microsoft will help you to learn how to set up a virtual desktop pool and connect to the pool by using RemoteApp and Desktop Connection; how to set up a personal [...]
These documents from Microsoft provide important information you should know prior to deploying and using the Windows Server 2008 operating system, including known issues that you may need to avoid or work around.