A client’s authentication is failing and there are no entries in the ClearPass Access tracker. What is a possible reason for the authentication failure?
A. The user account has expired.
B. The client used a wrong password.
C. The shared secret between the NAD and ClearPass does not match.
D. The user’s certificate is invalid.
E. The user is not found in the database.
C:
the error will be in event log
C is correct.