Jose Antonio Calvo has announced the availability of beta version of Zentyal 2.3 on 9th Mar, 2012. Zentyal is server Linux operating system which is based on Ubuntu and this version is based on Ubuntu 12.04 beta 1 and beta version for Zentyal 3 which will be released in September.
This version contain integration with Samba 4. This version uses Openbox desktop environment and released under GNU GPL [General Public License]. Zentyal is originated from Spain.