Canon EOS Rebel T6i Instruction Manual page 146

Responding to Error Messages
63: Wireless LAN authentication failed
Are the camera and the access point set to use the same

authentication method?
The camera supports the following authentication methods: [Open

system], [Shared key], and [WPA/WPA2-PSK] (p.79, 118).
Are the camera and the access point set to use the same

encryption key for authentication?
The setting is case-sensitive, so check upper- and lower-case

characters. Make sure that the correct encryption key for
authentication is entered on the camera and the access point
(p.80, 119).
If filtering by MAC address is effective, is the MAC address of

the camera used registered at the access point?
Register the MAC address of the camera used at the access point.

The MAC address can be checked on the [General sett.] screen
(p.138).
64: Cannot connect to wireless LAN terminal
Are the camera and the access point using the same

encryption method?
The camera supports the following encryption methods: WEP,

TKIP, and AES (p.79, 118).
If filtering by MAC address is effective, is the MAC address of

the camera used registered at the access point?
Register the MAC address of the camera used at the access point.

The MAC address can be checked on the [General sett.] screen
(p.138).
146