Furthermore, It is the first version of Windows which compatible with 64bit architecture only, means that it is not compatible with 32bit architecture. It was released in seven different editions know as Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium & Windows Storage Server. Version Features: Windows Server 2008 R2 enhanced the active directory and include the administrative interface where the system administrator can manage domains, sites, services, user roles etc. administrative interface placed on the top of PowerShell and user can alter its action by scripts. Managing the remote server is one of the key tasks for System Administrators. With the support of Windows Server 2008 R2, user can manage the server remotely regardless of the fact that it is on the local network on outside of the local network.