You can log in to the Advanced Authentication Mac OS X Client in the offline mode (when the Advanced Authentication server is not available) for non-local accounts of the authentication chains. The authentication methods that support the offline mode are:
Bluetooth
LDAP Password
Password
PKI
HOTP and TOTP
Smartphone (offline mode)
Card
FIDO U2F
NOTE:For fast user switching, the built-in authentication form of Mac OS is displayed.