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."

This article has been archived and is no longer updated by Apple.

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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