New Features in Microsoft Hyper-V Server 2008 R2
Applies To: Microsoft Hyper-V Server 2008 R2
Hyper-V Server 2008 R2 contains the same virtualization feature set as the Hyper-V role in Windows Server 2008 R2. Some of the features included in Hyper-V Server 2008 R2 are:
Live migration: Hyper-V Server 2008 R2 includes support for live migration. Live migration enables customers to move running virtual machines from one host to another without service interruptions.
Failover clustering: Hyper-V Server 2008 R2 includes host clustering technology to enable support for unplanned downtime. With live migration and failover clustering, customers receive high availability and dynamic migration capabilities for planned and unplanned downtimes.
Processor and memory support: Hyper-V Server 2008 R2 supports up to 8-socket physical systems and provides support for up to 64 cores. In addition, Hyper-V Server 2008 R2 supports up to 1 TB of RAM on a physical system.
Updated Server Configuration tool: The Server Configuration tool is designed to simplify the most common configuration tasks. It helps you configure the initial settings without having to type command-line strings. In Hyper-V Server 2008, this utility is called Hyper-V Configuration Utility (HVConfig). In Hyper-V Server 2008 R2, this tool is called the Server Configuration tool (SConfig.cmd). It is included in Hyper-V Server 2008 R2 and in the Server Core installation option of Windows Server 2008 R2. Two configuration options are available only when you run the Server Configuration tool on a server running Hyper-V Server 2008 R2:
An option to have the Server Configuration tool start automatically every time you log on to a computer running Hyper-V Server with the Administrator account
An option to configure failover clustering
- An option to have the Server Configuration tool start automatically every time you log on to a computer running Hyper-V Server with the Administrator account
For a detailed feature and support comparison between Hyper-V Server 2008, Hyper-V Server 2008 R2, and Windows Server 2008 R2, see the Virtualization Platform Comparison in Microsoft Hyper-V Server 2008 R2 section.