Microsoft Study Bible

Hyper-V is a role in Windows Server 2008 R2 that provides you with the tools and services you can use to create a virtualized server computing environment. This virtualized environment can be used to address a variety of business goals aimed at improving efficiency and reducing costs. This type of environment is useful because you can create and manage virtual machines, which allows you to run multiple operating systems on one physical computer and isolate the operating systems from each other.
To install and use the Hyper-V role, you will need the following:
 Hardware requirements:
An x64-based processor.
Hardware-assisted virtualization.
Hardware-enforced Data Execution Prevention (DEP) must be available and enabled.
 Memory:
Windows Server 2008 Enterprise and Windows Server 2008 Datacenter: the physical computer can be configured with up to 1 TB of physical memory, and virtual machines that run either of those editions can be configured with up to 64 GB of memory per virtual machine.
Windows Server 2008 Standard: the physical computer can be configured with up to 32 GB of physical memory, and virtual machines that run that edition can be configured with up to 31 GB of memory per virtual machine.
 Processors:
The release version of Hyper-V is supported on physical computers with up to 16 logical processors. However, a hotfix (KB956710) is available that increases the maximum number of virtual processors to 24.
A logical processor can be a single core or multi-core processor.
 Networking
Hyper-V provides a variety of networking options and configurations to meet different networking requirements.
Each virtual machine can be configured with up to 12 virtual network adapters—8 can be the “network adapter” type and 4 can be the “legacy network adapter” type.
Each virtual network adapter can be configured with either a static or dynamic MAC address.
Each virtual network adapter offers integrated virtual local area network (VLAN) support and can be assigned a unique VLAN channel.
 Storage
You can use the following types of physical storage with a server that runs Hyper-V:
Direct-attached storage: You can use Serial Advanced Technology Attachment (SATA), external Serial Advanced Technology Attachment (eSATA), Parallel Advanced Technology Attachment (PATA), Serial Attached SCSI (SAS), SCSI, USB, and Firewire.
Storage area networks (SANs): You can use Internet SCSI (iSCSI), Fibre Channel, and SAS technologies.

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