A computer or device may not connect to a AirPort Extreme (802.11n) Base Station's wireless network with a WEP (Transitional Security Network) password. This article does not apply to Macs with built-in AirPort Extreme (802.11g) cards.
Configure the affected computer or the wireless third-party device to connect via WEP 40/128-bit ASCII. For example, to do this on a Mac OS X-based computer that has an original AirPort card, follow these steps: