Troubleshoot Wireless Connectivity Issues for Mac

If you encounter an issue connecting to a wireless with a Mac desktop or notebook computer, follow the steps below to troubleshoot the issue:

  1. Select Turn Wi-Fi Off from the AirPort icon drop-down menu ( airport icon Wi-Fi icon located on the upper right side of the menu bar).
  2. Click the Finder icon to open a Finder window. Double-click your Macintosh Hard Drive, then the Applications folder, the Utilities folder, and finally double-click to open the Keychain Access file.
  3. Cleanup: From the login keychain (on the left), right-click any eduroam entries and select Delete to remove that entry.
  4. Cleanup: From the System keychain (on the left), right-click any eduroam wireless entries and select Delete to remove that entry.
    • From the System Roots keychain (on the left), double click on DigiCert.
    • Expand the Trust section by clicking on the arrow next to it.
    • From the gray Extensible Authentication (EAP) drop-down, select Always Trust.
      NOTE: This step is necessary due to a bug. At some point, the user will be prompted to accept trust settings for the certificate. There is a lot of typing that must be done at that point, and if its not completed quickly the EAP authentication will time out and interfere with the configuration.)
    • Close certificate window and save changes.
  5. Restart the computer and turn Airport on.
  6. Click on Wi-Fi icon (top of the monitor) and click Open Network Preferences. On the Network Preferences window, make sure the lock at the bottom left of the window is unlocked. Click Wi-Fi (located along the left hand side) and then click the Advanced button.
  7. Select the TCP/IP tab and using the drop down menu, change the Configure IPv6: field to Off.
  8. Select the 802.1x tab and a new window opens.
    NOTE: 802.11b is no longer supported.
  9. Click the Add (+) button at the bottom left hand of the window and choose Add System Profile.
  10. You will be prompted to give this new profile a name.
  11. If you have any previous umd wireless profiles e.g umd, umd-secure, etc. please delete all of them.

    add system profile

  12. Enter the following:
    • For login information, enter your Directory ID and your Directory passphrase .
    • In the Wireless Network: field, select umd-secure.
    • In the Security field, select WPA2-Enterprise. (it refers to the OS version)
    • In the Authentication: field, deselect everything except TTLS.
  13. Click on the word TTLS and then Configure.

    configure TTLS

  14. In the TTLS Inner Authentication field, select PAP and press OK.

    select PAP

  15. Click OK.
  16. Click Connect.