[ID] 6 [Description] An Authorization Failure event reports that Service Broker denied authorization for the connection. For Windows Authentication, this event reports that the security identifier for the connection does not match a database user. For certificate-based authentication, this event reports that the public key delivered in the message does not correspond to a certificate in the database. [Subclass] 
Authorization 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