New features in System Center 2012 R2

New for App Controller

• Support for connecting System Center 2012 R2 App Controller to System Center 2012 R2 Virtual Machine Manager.
• Support for connecting System Center 2012 R2 App Controller to Service Provider Foundation that comes with System Center 2012 SP1 or System Center 2012 R2. 

New for DPM

• Backup data DPM data in System Center 2012 SP1 or R2 to Windows Azure Backup.
• Clustered SQL Server nodes support for databases.
• Support for deploying DPM in a virtualized environment
• Backup of Linux virtual machines 

New for Configuration Manager

• New site system role, the Certificate Registration point that provides certificate enrollment to the devices managed by the Configuration manager.
• Support for deploying Windows Server 2012 R2 and Windows 8.1
• New Wi-fi profiles, supported on iOS, Windows 8.1, Windows RT 8.1 and Android, that is used for deployingsettings and certificates.

For more details, click on this link http://technet.microsoft.com/library/dn236351.aspx

New for Operations Manager

• Synchronize Operations Manager alerts and Team Foundation Server (TFS) work items.
• Support for IPv6 addresses now allow you to view IPv6 addresses information in the Operations console.
• UNIX and Linux monitoring 

New for Orchestrator

• Support for Windows 2012 R2
• Install up to three runbook workers from System Center 2012 Orchestrator Setup program.

New for Service Manager

• Support for Windows Server 2012 R2 and Windows 8.1

Support for Virtual Machine Manager

• Site-to-Site NVGRE Gateway
• IP Address Management (IPAM) integration with VMM
• Support for Generation 2 virtual machines for secure boot and boot from SCSI virtual DVD
• Live cloning of virtual machines without downtime (Hyper-V)
• Hyper-V hosts running on Windows 2012 or Windows 2012 R2 can now be online resized while disk in use
• Support for creating Windows and Linux-based virtual machines from a gallery of templates
• Support for Oracle Linux 5 (x86 and x64), Oracle Linux 6 (x86 and x64), and Debian GNU/Linux 7.0 (x86 and x64), as guest operating systems for deployment from template to Hyper-V hosts
• Physical computer profiles instead of host profiles
• Virtual Fabric Channel support
• Leverage Windows Server 2012 Offload Data Transfer (ODX) feature for fast copying operations
• Support for VHDX
• Support for Windows Server 2012 R2 and Windows 8.1 for roles like, VMM Management Server, the VMM Library server and Hyper-V host.
• Remote Console feature that allow tenants to access the console of their virtual machines where the machines are located in DMZ or some other isolated location