Mac OS X 10.5 or later: Connecting to an 802.1X/WEP network with a saved 802.1X profile prompts for password
If you have created an 802.1X profile which includes a saved WEP password, when selecting the 802.1X profile from either the AirPort Menu Extra or selecting Connect from Network System Preferences, you may be prompted for the password even though it has already been saved.
This article has been archived and is no longer updated by Apple.
To stop the computer from prompting for the WEP password each time you select your 802.1X profile, add your 802.1X network to the Preferred Networks list:
Choose Apple > System Preferences
Choose AirPort in the network connection services list, and then click Advanced.
Click Add (+) at the bottom of the list.
Click the Show Networks button and choose the 802.1X network