Access Security Guide K/KA/KB.15.15

MeaningMessage
you also see the message Can’t reach RADIUS server <
x.x.x.x >, try the suggestions listed for that message.
Indicates an attempt to configure local as both the primary
and secondary authentication methods. If local is the
primary method, then none must be the secondary method.
Not legal combination of authentication methods.
198 RADIUS Authentication, Authorization, and Accounting