The following are estimated system requirements for Windows Server 2008 R2. If your computer has less than the “minimum” requirements, you will not be able to install this product correctly. Actual requirements will vary based on your system configuration and the applications and features you install. Remember R2 is ONLY 64-bit.
Processor performance depends not only on the clock frequency of the processor, but also on the number of processor cores and the size of the processor cache. The following are the processor requirements for this product:
Minimum: 1.4 GHz 64-bit processor
The following are the estimated RAM requirements for this product:
Minimum: 512 MB
Maximum: 32 GB (for Windows Server 2008 R2 Standard) or 2 TB (for Windows Server 2008 R2 Enterprise, Windows Server 2008 R2 Datacenter, and Windows Server 2008 R2 for Itanium-Based Systems).
Disk space Requirements
The following are the estimated minimum disk space requirements for the system partition.
Minimum: 32 GB
This is a video of a simple Windows 2008 R2 installation.
Mount a VHD file in Windows 2008 R2, Windows 7 and SBS 2011
Here is a link to the article for mounting a VHD on 2008 ( not R2 ) and SBS 2008
What is VHD file? VHD file is a Virtual Hard Disk file. Windows Server Backup produces vhd files and also numerous virtualization software also uses VHD files. Implications are big and we are not going to discuss them. But if you ever find yourself in a situation where you need to browse vhd files for info or you have a malfunctioning Windows Server Backup and you can’t properly use it to restore data backed up with the same software, hail Windows7 and 2008 R2 ( and SBS 2011 ) as things have become easy ! You can mount/dismount or attach/detach vhd files to your system as partitions and browse the vhd file contents as it is a partition on your own hard drive ! Instead of the torture you have to go through to open a vhd file in Windows 2008, SBS 2008 or Vista, article here, you can simple go to your Disk Management and click Attach VHD, and detach it whenever you need to.
Windows 7 – Start – Computer Management ( or Right-click Computer and go to Manage ) – Disk Management
And here is how you do it in 2008 R2 and SBS 2011
Server Manager – Storage – Disk Management
There is alternative way too, for the command line lovers. DISKPART is now being upgraded and posses the ability of interacting with VHDs. Here is how :
Open CMD – > type diskpart. Here is how it looks like to attach the vhd: