Core Issue
The DOT11-4-CANT_ASSOC: Cannot associate: [chars] error message appears because the unit cannot establish a connection to a parent access point (AP) for the reason displayed in the error message.
Resolution
Check for these basic configurations:
- Channel number
- Authentication issues, such as Wired Equivalent Privacy (WEP), WiFi Protected Access (WPA) , or Extensible Authentication Protocol (EAP) Authentication, if configured
- Service Set Identifier (SSID) mismatch
If these configurations are fine, check for these:
The wireless client cannot associate to the access point