The AirPort Setup Assistant and other configuration applications do not accept high ASCII characters. If you try to enter a network or base station password that contains high ASCII characters, the AirPort Setup Assistant will not accept them.
High ASCII characters include the following:
Solution
Use any of the following characters to set passwords for your AirPort base stations:
a b c d e f g h i j k l m n o p q r s t u v w x y z
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
0 1 2 3 4 5 6 7 8 9
! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \\ ] ^ _ ` { | } ~
For more information about ASCII and High ASCII, refer to http://en.wikipedia.org/wiki/ASCII.
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