Microsoft has released Windows Server 2012 Release Candidate Essentials Assessment and Deployment Kit

The Windows Server 2012 Release Candidate Essentials Assessment and Deployment Kit (ADK) is a collection of tools and binaries that you can use to customize, assess, and deploy Windows Server 2012 Release Candidate Essentials on new computers.

System requirements
Supported operating systems: Windows Server 2012 Essentials

  Windows Server 2012 Release Candidate Essentials Assessment and Deployment Kit