Authentication Failed, No Ap Found; Eap Authentication Failed Message; Ap Error - Cannot Support All Requested Capabilities - Cisco 8821 Administration Manual

Troubleshooting

Authentication Failed, No AP Found

Problem
Authentication returns the No AP found message.
Solution
• Check whether the correct authentication method and related encryption settings are enabled on the
access point.
• Check that the correct SSID is entered on the phone.
• Check that the correct username and password are configured when using LEAP, EAP-FAST, PEAP,
or Auto (AKM) authentication.
• If you are using a WPA Pre-shared key or WPA2 Pre-shared Key, check that you have the correct
passphrase configured.
• You might need to enter the username on the phone in the domain\username format when authenticating
with a Windows domain.

EAP Authentication Failed Message

Problem
Authentication returns the EAP authentication failed message.
Solution
• If you are using EAP, you might need to enter the EAP username on the phone in the domain\username
format when authenticating with a Windows domain.
• Check that the correct EAP username and password are entered on phone.

AP Error - Cannot Support All Requested Capabilities

Problem
Authentication returned the AP Error - Cannot support all requested capabilities
message.
Solution
On the access point, check that CKIP/CMIC is not enabled for the voice VLAN SSID. The wireless phone
does not support these features.
Cisco Wireless IP Phone 8821 and 8821-EX Administration Guide for Cisco Unified Communications Manager
No Association to Wireless Access Points
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