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eduroam for Windows

eduroam for Windows

guide

This page describes how to connect your Windows device to eduroam.

 
Before you configure your device, you must generate login credentials.

There are 2 methods to connect your device to eduroam:


Configuration with CAT App

Please note
You will need an internet connection for this configuration. If you are currently at RWTH, you can use RWTH-guests.

Step 1
Visit the eduroam Configuration Assistant Tool (CAT) webpage on your device.

Step 2
Click on the button Click here to download your eduroam installer.

 Screenshot of the CAT website. The button is located under "Connect your device to eduroam".

Step 3
Under "Select your Organisation", click RWTH Aachen University.

 Screenshot of the CAT website. The institutions are listed by distance under "Organization".

Step 4
Click the eduroam button. The "eduroam-W10-RAU.exe" file will be downloaded to your device.

Screenshot of the CAT website. The eduroam button can be found under "Download your installer".

Step 5
Open the file to start the installer.

Step 6
Click Yes.

Screenshot of the pop-up window "User Account Control". The application you have to allow is called "eduroam installer for RWTH Aachen University". The verified publisher is "SURF B.V.".

Step 7
Click Next.

Screenshot of the eduroam installer. The "Next" button is located below a short text.

Step 8
Click OK.

Screenshot of a pop-up window in the installer. The message reads "This installer will only work properly if you are a member of RWTH Aachen University".

Step 9
Click No.

Screenshot of a pop-up window in the installation program. The message reads "Do you want to enable access on wired interface?"

Step 10
Enter your previously generated eduroam login credentials under "Username" and "Password".

Step 11
Click Install.

Screenshot of the installer. Under "User credentials" you have to enter your username (ends with @rwth.edufi.de), your password and repeat your password. Below that is the "Install" button.

Step 12
Click Yes, to confirm that you want to install a root certificate which is not part of your operating system. The Radius Certificate at the RWTH is issued by the DFN-Verein Community PKI.

Screenshot of a security warning. A text indicates which certificate is being downloaded. Here: DFN-Verein Community Root CA 2022. The "Yes" button is under the text.

Step 13
Click Finish.

Screenshot of the installer. After successful installation, the "Installation complete" window appears. The "Finish" button is located below the text.

Your device is now configured. You can log in to eduroam.

Manual Configuration

Step 1
Switch on your Wi-Fi.

Step 2
Select eduroam from the list of available networks.

Screenshot of the list of available networks.

Step 3
Tick the box next to "Connect automatically".

Step 4
Click Connect.

Screenshot of the list of available networks. eduroam is selected. Under eduroam you will see “Secured”, “Connect automatically” and the “Connect” button.

Step 5
Enter your previously generated eduroam login credentials.

Step 6
Click OK.

Screenshot of the list of available networks. eduroam is selected. Under eduroam it says “Connecting”. Below this you can enter your login credentials. The user name ends with @rwth.edufi.de. The OK and Cancel buttons are located below the login form.

Please note:
If a Windows Security pop-up appears, please delete your Wi-Fi profile before proceeding.

Step 7
When connecting for the first time you need to manually verify that your credentials are sent to the correct radius server (i.e. the one at the RWTH). To do this, click on Show Certificate Details and compare the numbers displayed with the SHA1 fingerprint under Radius Certificate DFN-Verein Community PKI. It is best to establish your first connection within an RWTH building. 

Step 8
Click Connect.

Screenshot of the list of available networks. eduroam is selected. Below eduroam you will see 'Connecting', the message and the link Show certificate details. Below this are the Connect and Cancel buttons.

Step 9
In the Windows search bar, search for "View network status and tasks".

Step 10
Click Change Adapter Settings.

Screenshot of the Network and Sharing Center. “Change adapter settings” is located in the menu between "Control Panel Home" and "Change advanced sharing settings".

Step 11
Double-click WLAN.

Step 12
Click Wireless Properties.

Screenshot of the WLAN status window. The Wireless Properties button is located under Connection, after the Signal Quality details and the Details button.

Step 13
Click on the Security tab at the top of the page.

Step 14
Ensure that the following settings are displayed:

  • Security type: WPA2-Enterprise
  • Encryption type: AES
  • Network authentication method: Microsoft EAP-TTLS

Step 15
Click Settings.

Screenshot of the Security tab. The settings are listed in drop-down menus. The “Settings” button is located after the “Choose a network authentication method” drop-down menu.

Step 16
Set the following configuration settings:

  1. Tick the checkbox next to Enable identity privacy.
  2. In the field below, enter: anonymous@rwth.edufi.de
  3. Under"Connect to these servers", enter: radius.rz.rwth-aachen.de;radius1.rz.rwth-aachen.de;radius2.rz.rwth-aachen.de;radius3.rz.rwth-aachen.de
  4. Under "Trusted Root Certification Authorities", tick the checkbox for "AAA Certificate Services"
  5. Under "Client authentication", select Select an EAP method for authentication.
  6. From the drop-down menu below it, select Secured password (EAP-MSCHAP v2).

Step 17
Click Configure.

Screenshot of the TTLS properties. The configuration settings are specified in this manual.

Step 18
Make sure the checkbox under "When connecting" is unchecked.

Step 19
Click OK.

Screenshot of the pop-up window EAP-MSCHAPv2 properties.

Step 20
Click OK.

Screenshot of the TTLS properties. After the Configure button that you selected in step 17, you will find the OK button.

Step 21
You are now back to the "Security" tab. Click Advanced Settings.

Screenshot of the “Security” tab. Advanced settings is the next button after the Settings button that you selected in step 16.

Step 22
Tick the checkbox next to"Specify authentication mode".

Step 23
Select User Authentication from the drop-down menu underneath.

Step 24
Click Save credentials.

Screenshot of advanced settings, 802.1X settings tab. Steps 23 to 25 are the first 3 items on the tab.

Step 25
Enter your eduroam login credentials again.

Screenshot of the Windows Security/Save credentials pop-up window. After a short text, you can enter your user name and password. The user name ends with @rwth.edufi.de. Below this you will find the OK button.

Your device is now configured. You can log in to eduroam.

You may have to enter your username and password again.


 

Additional Information

last changed on 07/18/2025

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