Cisco Unified IP Phone 8941 - 802.1 X Enabled on Phone but Phone Does Not Authenticate; 802.1 X Not Enabled; Factory Reset of Phone Has Deleted 802.1 X Shared Secret

SeeIf all the following conditions apply,
Factory Reset of Phone Has Deleted 802.1X Shared
Secret, on page 176
•
Phone cannot obtain a DHCP-assigned IP
address.
•
Phone does not register with Cisco Unified
Communications Manager.
•
Phone status display as Configuring IP or
Registering .
•
You are unable to access phone menus to verify
802.1X status.
802.1X Enabled on Phone but Phone Does Not Authenticate
Problem
The phone cannot authenticate.
Cause
These errors typically indicate that 802.1X authentication is enabled on the phone, but the phone is unable to
authenticate.
Solution
To resolve this problem, check the 802.1X and shared secret configuration. See Identify 802.1X Authentication
Problems, on page 183.
802.1X Not Enabled
Problem
The phone does not have 802.1X configured.
Cause
These errors typically indicate that 802.1X authentication is not enabled on the phone.
Solution
If 802.1X is not enabled on the phone, see 802.1X Authentication section.
Factory Reset of Phone Has Deleted 802.1X Shared Secret
Problem
After a reset, the phone does not authenticate.
Cisco Unified IP Phone 8941 and 8945 Administration Guide for Cisco Unified Communications Manager 10.0
(SCCP and SIP)
176
Cisco IP Phone Security Problems