UCS Download

Univention Corporate Server (UCS) is available as an ISO image for installation or as a preinstalled, virtual machine image for VMware, Virtualbox, Hyper-V and KVM. With these images, you can instantly use UCS for free as a UCS Core Edition.

After accepting the licensing conditions, you can download UCS.

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Download UCS 4.4 ISO Image

Install UCS directly to your hardware by burning the ISO image onto a CD or saving it on a USB stick. To run UCS in a virtualization environment, just integrate the ISO image into it.

The image includes a license key of the UCS Core Edition and can be used instantly after the confirmation of the licensing conditions.

Download UCS 4.4 VM Images

You can run and use UCS directly as a preinstalled VMware, Virtualbox, Hyper-V and KVM image. The images contain a license key of the UCS Core Edition and can be used immediately after having confirmed the licensing conditions.

Please note, virtual machines with UCS require at least 1.5 GB of memory.

You can always add a UCS Enterprise Subscription including support to your UCS Installation. No need to reinstall UCS or any Apps. You can find more information at Prices and Subscriptions.

Download UCS Source Code

UCS is a software appliance based on Debian Linux. The source packages contain the complete source code of a UCS release – both from own developments and from software adopted from Debian. The license is documented in the source packages.

The source code of the in-house developments is also available in a GIT repository, via which it is possible to contribute to the further development of UCS.