Release Notes: Univention App Center for the simple integration of software components. Univention AD Takeover for migration of MS Active Directory to UCS based on Samba 4 3. Support for MS Windows 8/MS Windows Server 2012 4. Linux kernel has been updated to version 3.2.30. Support of systems with the UEFI boot standard. Installation is now performed in the GUID Partition Table standard by default 6. Performance improvements for large environments, e.g. for group membership resolution. An update of the UCS virtualization stack; Xen 4.1.3, QEMU/KVM 1.1.2, and libvirt 0.9.12.