You need a new service or have a problem?

...then you'll find answers to the most frequently asked questions here, sorted by customer groups:

• Students
• Employees

If you already know exactly, what you need, you can directly proceed to the applications.

If you cannot find anything here, you can try the keyword list

• ZDV A-Z

or use one of our support offers:

• Hotline
• Genius-Bar
• User administration
• Further support