For some time now, t-matix has been offering a connection to Active Directory. AD is a type of database used for storing network configurations. It enables the administration of users, user groups, devices (such as printers), as well as various services. Within the Active Directory, users can act as administrators and organize, provide and monitor the information of all objects in the database as well as apply access restrictions for selected users. With the integrated single sign-on, a one-time authentication of the user is sufficient. Thus, anybody who registers once can use all the services linked to the Active Directory without the need to log in to the individual services every single time.