eduroamCAT for Windows

These settings only apply to students and employees of the TUHH. Students of other universities please use the settings of their university, also with us at the TUHH.

If, as an admin, you want to change the eduroam settings on a device for multiple users in the course of the configuration change, please note that you must manually import the DFN-Verein Community Root CA 2022 certificate in the local machine certificate store.
The certificate installation via the eduroamCAT is not sufficient.

For instructions on installing certificates on Windows, see:

To set up using eduroamCAT, you need an existing internet connection. Use your home network or connect to the VPN/WEB at TUHH.

If you change your password, the program must be run again to make the necessary adjustments.
  1. Open and select Hamburg University of Technology.
  2. Download eduroamCAT by clicking the blue button.
  3. Run the installation program and follow the instructions.
  4. Log in with your TUHH account and click Install.
  5. Finish the installation program by clicking Finish.
During the first installation of eduroam using eduroamCAT, a security warning will appear. It informs you that you are installing a new root certificate. Confirm by clicking Yes to install the DFN-Verein Community Root CA 2022 root certificate. Without this, you will not be able to access the internet.
Set up automatically on Windows 10 Set up automatically on Windows 10 Set up automatically on Windows 10 Set up automatically on Windows 10
Set up automatically on Windows 10 Set up automatically on Windows 10 Set up automatically on Windows 10 Set up automatically on Windows 10
If you receive the following warning message after launching eduroamCAT: "The connection to SmartScreen is currently not possible.", please click on Run!

More Information

You can find a summary as a flyer for printing at the WLAN entry page.

The subpages Information, SSID: VPN/WEB and SSID: eduroam give the interested reader even more background knowledge.

back to WLAN entry page


Please make sure that your device has the latest patches installed, that you are not using more than one anti-virus program and that no "unblocker" is active.
(Unblocker are programs which can unlock content, that is blocked in one country, but not another.)

If you have questions or problems, please have a look at our help pages first. (Klick here for VPN Help)
With questions, suggestions, reports or further problems please contact our User Service Center (Helpdesk). We respond quickly to e-mails to

During the semester, the WLAN consultation will take place in E2.048 with Finn Müller and Phillip Vogel. You can find the dates here, as well as in the corridors in the E building.

The WLAN Consultiung will take place on the following dates. Further dates will be announced soon:

  • tuesdays: 10:00am - 1:00pm
  • wednesdays: 1:00pm - 4:00pm
  • thursday: 1:30pm - 4:30pm