A Search was performed using Insight and the following is displayed:

What could be a possible reason for the ErrorCode ‘Failed to classify request to service’
shown above?

A.
The user failed authentication.

B.
ClearPass couldn’t match the authentication request to a service, but the user passed
authentication.

C.
ClearPass service rules were not configured correctly.

D.
ClearPass service authentication sources were not configured correctly.

E.
The NAD device didn’t send the authentication request.