Netscout AirCheck G2 User Manual page 90

The connection log can help you understand why a device cannot connect to a network. This appendix gives reasons for log
messages that show when a connection fails.
Message
802.11: Found no access points
802.11: Warning: Found access point with
SSID, but security configurations mismatch
Authentication failed
Appendix A: Log Messages
for Connections that Fail
Possible Reasons for the Connection Failure
The access point is out of range, disabled, or someone changed the
frequency band.
The tester does not have the correct types of 802.1X authentication/
encryption.
The access control list and MAC filter on the access point rejected the MAC
of the tester.
The access point uses WEP security, and the low-level 802.11
authentication (open/shared) that the tester uses is different from the
type of authentication that the access point uses.