eduroam for Windows

This page describes how to connect your Windows device to eduroam.
There are 2 methods to connect your device to eduroam:
- Configuration with CAT App (basic)
- Manual configuration (advanced)
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.
Step 3
Under "Select your Organisation", click RWTH Aachen University.
Step 4
Click the eduroam button. The "eduroam-W10-RAU.exe" file will be downloaded to your device.
Step 5
Open the file to start the installer.
Step 6
Click Yes.
Step 7
Click Next.
Step 8
Click OK.
Step 9
Click No.
Step 10
Enter your previously generated eduroam login credentials under "Username" and "Password".
Step 11
Click Install.
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.
Step 13
Click Finish.
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.
Step 3
Tick the box next to "Connect automatically".
Step 4
Click Connect.
Step 5
Enter your previously generated eduroam login credentials.
Step 6
Click OK.
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.
Step 9
In the Windows search bar, search for "View network status and tasks".
Step 10
Click Change Adapter Settings.
Step 11
Double-click WLAN.
Step 12
Click Wireless Properties.
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.
Step 16
Set the following configuration settings:
- Tick the checkbox next to Enable identity privacy.
- In the field below, enter: anonymous@rwth.edufi.de
- 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
- Under "Trusted Root Certification Authorities", tick the checkbox for "AAA Certificate Services"
- Under "Client authentication", select Select an EAP method for authentication.
- From the drop-down menu below it, select Secured password (EAP-MSCHAP v2).
Step 17
Click Configure.

Step 18
Make sure the checkbox under "When connecting" is unchecked.
Step 19
Click OK.
Step 20
Click OK.
Step 21
You are now back to the "Security" tab. Click Advanced Settings.
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.
Step 25
Enter your eduroam login credentials again.
Your device is now configured. You can log in to eduroam.
You may have to enter your username and password again.