The Univention Corporate Server (UCS)

UCS as a Server infrastructure

The Univention Corporate Server (UCS) based on Linux allows the central administration of users, systems and services for small, medium and huge infrastructures. The Core Edition can be used for free, a lot of popular and complex software solutions like groupware or office services can be installed easily using a web frontend.

User and access management

every user account is managed through a web interface, Univention realised the management of 30 million users for one customer.


The Univention infrastructure provides a lot of network services, hardware integration and administration frontends.


  • Installing Univention in a virtual machine allows creating backups/snapshots of the whole system easily.
  • Many services integrate or rely on email as a service. Configuring email following the documentation is a good starting point. To use single email addresses without a registered domain, follow these instructions.






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