Zentyal 5.1 Announcement

Zentyal Development Team is proud to announce Zentyal Server 5.1, a new release of the Zentyal Open Source Linux small business server with Active Directory interoperability.


Zentyal Server 5.1 is based on the latest Ubuntu 16.04.4 LTS and comes with the most recent versions of all the integrated software. Most important new features and improvements include:

  • Linux 4.13: Ubuntu HWE Kernel with support for recent hardware and not vulnerable to Meltdown and Spectre
  • New IDS/IPS module
  • New FTP module
  • Integration of SOGo 4.0
  • Integration of ejabberd 17.07

In addition, this version comes with important bugfixes, usability and performance improvements, specially in Network, Samba, DNS and HTTP Proxy modules (see full changelog for details).

Full list of supported features available at


Packages for Zentyal 5.0, 4.2, 4.1 and 4.0 will be released in the next days providing the upgrade button on the dashboard.


Here is the APT source entry for Zentyal 5.1:

deb 5.1 main

Full Change Log

You can read the full change log from 5.0 to 5.1 here.

About Zentyal

Zentyal designs and develops the Zentyal Linux Small Business Server since 2004. Zentyal Server incorporates all the network services required in a small and medium business environment, most importantly the first-ever native Microsoft Active Directory® implementation on Linux that is easy to use.

With Zentyal Server there is no need to use command line, but system administrators can manage all the network services via graphical user interface. Zentyal-based solutions allow SMBs to reduce and rationalize IT investments, improve the security and minimize system downtime.

Zentyal Linux Small Business Server is widely used by small and medium businesses independently of their activity or location, as well as by public administration or the education sector. The partnership agreements signed with IT support and service providers in more than 20 countries guarantee the distribution of Zentyal-based solutions to customers worldwide.

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