This Community Technology Preview (CTP1) enables System Center customers to evaluate System Center 2012 and Windows Server 2012 Beta.
Main focus of SP1 is support for Windows Server 2012 (Management Server, Console, Library Server, VM Hosts, Database Server, VM deployments,…) and SQL Server 2012 (as database server, in service templates,…).

NOTE:  Upgrade from previous versions (including System Center 2012) is not supported

Feature Summary of CTP1:

This CTP includes updates to the Virtual Machine Manager in support of new capabilities in Windows Server 2012 Beta.
The CTP enables the Virtual Machine Manager management server to run on Windows Server 2012 as well as managing virtual machines hosted on Windows Server 2012.

The CTP also enables management of new Windows Server 2012 features in Virtual Machine Manager:

• Creation of Hyper-V Virtual Networks using Hyper-V Network Virtualization
• Creation of virtual machines using the VHDx format
• SMB 3.0 file servers as storage for virtual machines in a clustered and non-clustered environment
• Live migration (standalone and shared nothing) and live storage migration

Download binaries here

Download evaluation VHD here

Download documentation here
A step-by-step guide that walks you through the new Virtual Machine Manager (VMM) features in the CTP of System Center 2012 SP1.

Some screenshots:

Adding VM Networks based on Network Virtualization

Creating of a VM Network (including IP Pool and related IP parameters)

Creation of a VM Network, linked to Logical Networks

Similar to Logical Networks, VM Networks are represented by 1 or more (VM) subnets and VLANs

Connecting a VM to a VM Network using Network Virtualization

Support for .VHDX

Adding Windows Server 2012 (“8”) host under fabric management.

Doing Live Virtual Machine and Storage Migration (aka VSM)

Adding SMB 3.0 File Shares to store virtual machines.

Accessing standalone VMHost using Host Access Run As Account

Step into the System Center Virtual Labs for Free

It’s simple: no complex setup or installation is required to try out System Center running in the full-featured TechNet Virtual Lab.
You get a downloadable manual and a 90-minute block of time for each module. You can sign up for additional 90-minute blocks any time.

TechNet Virtual Lab: System Center 2012 Virtual Machine Manager: Building Your Cloud Infrastructure

Other TechNet Virtual Labs here

This update addresses System Center 2012 Virtual Machine Manager & App Controller and is available through Windows Update.
The update provides fixes for SCVMM Server, SCVMM Console, SCVMM SSP & App Controller SSP.

To manually download the update packages from Microsoft Update Catalog, visit the following Microsoft websites:

Virtual Machine Manager Server Update (KB2663959)
http://catalog.update.microsoft.com/v7/site/Search.aspx?q=2663959

Virtual Machine Manager Console Update (KB2663960)
http://catalog.update.microsoft.com/v7/site/Search.aspx?q=2663960

Virtual Machine Manager Self-Service Portal Update (KB2663961)
http://catalog.update.microsoft.com/v7/site/Search.aspx?q=2663961

App Controller Update (KB2677596)
http://catalog.update.microsoft.com/v7/site/Search.aspx?q=2677596

For more information: KB2686249

Use this pre-configured virtual hard disk (VHD) to create a virtual machine that runs System Center 2012 Virtual Machine Manager (VMM) so that you can evaluate the features of VMM.
The VHD has all the necessary software already installed (WAIK, WebDeploy, SQL Server 2008 R2).

Instructions

Download the evaluation VHD here

Last week in Las Vegas at MMS, Microsoft announced the General Availability for the System Center 2012 family. 
All products are available for download on the various websites: Volume Licensing, Technet, MSDN, etc…

Go here to download and evaluate all products from the System Center family , including App Controller, Virtual Machine Manager, Operations Manager, Service Manager 2012 and Orchestrator.

Video:

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