Mac OS X Snow Leopard Settings

This page explains how to connect a Mac OS X 10.6.7+ (Snow Leopard) system to the eduroam network. If you are using Mac OS X 10.7 (Lion) or newer, these instructions will not work.

Configure the certificate trust

  1. Go to Applications -> Utilities and run Keychain Access.
  2. In the System Roots keychain, double-click the AddTrust External CA Root certificate.
  3. For Extensible Authentication (EAP), choose Always Trust.
  4. Enter your administrator password when prompted. You can then close Keychain Access.

Configure your wireless settings

Important: All of the settings in this section are case sensitive. Please be very careful when entering the settings!

  1. Locate the Airport menu at the top of the screen.
  2. Click on it and select Turn Airport On, if not already enabled.
  3. Click on the Airport menu again and select Open Network Preferences...
  4. Ensure you have selected AirPort from the list on the left, then press Advanced.
  5. Change to the 802.1X tab.
  6. If there is already an eduroam entry in the User Profiles list, select it and press the '-' button to remove it.
  7. Press the '+' button and choose Add User Profile.
  8. Enter eduroam as the profile name.
  9. If you are a member of staff, enter your University username followed by (e.g. in the Username box.
  10. If you are a student, enter your username followed by (e.g. in the Username box.
  11. Carefully type your University password in the Password box.
  12. Set Wireless Network to eduroam.
  13. Select PEAP from the Authentication list, and ensure all other authentication options are deselected.
  14. Press the Configure Trust button.
  15. On the Certificates tab, click the '+' button and choose Select Certificate from Keychain.
  16. Find AddTrust External CA Root in the list, select it, then click OK.
  17. On the Servers tab, click the '+' button.
  18. Enter in the box and press OK.
  19. Press OK again, then press Apply. Enter your administrator password if requested.
  20. Click the Advanced button again and select the AirPort tab.
  21. Remove every eduroam entry from the Preferred Networks list by clicking on it then pressing the '-' button. There may be more than one entry so check the entire list carefully.
  22. Press the '+' button, enter eduroam as the Network Name.
  23. Set Security to WPA2 Enterprise.
  24. Skip to the 802.1X box and select eduroam. This will fill in the username and password boxes.
  25. Press Add.
  26. If there is a UoR-Setup or UoR-Guest entry in the Preferred Networks list, remove it.
  27. Click OK.
  28. Choose eduroam as the Network Name, then press Apply.
  29. Your computer should now connect to eduroam. "Authenticated via PEAP (MSCHAPv2)" will be displayed in the middle of the System Preferences window. You can close this window now.

In future your Mac will automatically connect to eduroam whenever you are in an eduroam wireless area.


If you cannot connect, check that:

  • The Apple Airport functionality in your computer is enabled.
  • You are at a location with good signal strength.
  • You have remembered to add to the end of your username.
  • You are typing your University password correctly.
  • You have updated to at least OS X 10.6.8.

These settings will only work if you have a University of Reading username - if you are from a different organisation, you will need to refer to your home organisation for the correct instructions.

If you require further assistance, please contact the IT service desk.

Page navigation