[ID] 5 [Description] An Authentication Failure event reports that Service Broker cannot perform authentication for the connection due to an error. For Windows Authentication, this event reports that Service Broker is unable to use Windows authentication. For certificate-based authentication, this event reports that Service Broker is unable to access the certificate. [Subclass] 
Authentication Failure
L o g i n S u c c e s s
L o g i n P r o t o c o l E r r o r
M e s s a g e F o r m a t E r r o r
N e g o t i a t e F a i l u r e
A u t h e n t i c a t i o n F a i l u r e
A u t h o r i z a t i o n F a i l u r e