AirPort base station not seen or "An unexpected error occurred" appears in AirPort Utility 6.3

  • An AirPort base station that appeared in previous versions of AirPort Utility might not appear in AirPort Utility 6.3 for OS X.
  • The AirPort base station is detected, but this alert may appear during setup: "An unexpected error occurred. Try again."

Steps for OS X Lion or Mountain Lion

This can happen if IPv6 has been disabled. To enable IPv6 for your network interface:

  1. Choose Apple menu () > System Preferences, and then click Network.
  2. If a lock icon appears in the lower-left corner, click it and enter your admin name and password to unlock the pane.
  3. Click your network service (Wi-Fi or Ethernet) in the list, and then click Advanced.
  4. Click the TCP/IP tab.
  5. Choose Link-local only from the Configure IPv6 pop-up menu.
  6. Click OK.
  7. Click Apply.

The AirPort device should now appear in AirPort Utility.

Learn more

For AirPort Utility for iOS steps, please see this article.

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