My login does not work. How do I proceed?

Please check before sending your error message to,
whether you want to log on to the correct system.
You can recognize the systems in the address line of the browser.

Student logins are available for 4 systems:

the Campus Management System (CMS) =

die University website =

Teacher logins are also available for:
Nextcloud =
Peertube =

If you have identified your target system and your login works nevertheless not, please use the function "Forgotten password". The systems will send you an e-mail with instructions for resetting your password.

This reset does not help either, please request help from