In Cloud SWG, the Auth Connector debug logs are required to troubleshoot specific situations. An example is Unauthenticated User shown in reports.
The Auth Connector logs are a record of the authentication activity. This information is valuable for finding the root cause of a problem that is related to authentication or connectivity between the Auth Connector and the Cloud SWG service, or to the ACLogon not connecting.
These logs are important for the detailed insight they contain on the inner workings of the Auth Connector.
Complete the following steps:
Step 1: Stop the BCCA/Auth Connector service
Step 2: Delete existing logs
(You might not have some of the listed logs.)
Step 3: Enable debug logging for the Auth Connector and SSO
[Debug]DebugLevel=0xFFFFFFFF[DCQSetup]DCQDebug=1[CLSetup]CLDebug=1Unauthenticated).Enable live debugging:
'LogEventMask=1''LogEventMask=3'After the live debug is enabled, go to the Event Viewer to check for useful events.
Under Windows Logs > Security, you might find logon events such as the following example. The subject is the Auth Connector user name (such as CONTOSO\srv.bluecoat), and the new logon is the user authenticating (such as CONTOSO\pam.receptionist).
You might choose to search for a particular user name and see if the logon was captured under the service's user name. Searching for CONTOSO\ladmin would yield a record similar to this one.

Events such as these are visible at Windows logs > Application; you can use the Event Viewer to diagnose them as you go.
These logs are not a substitute for the real debug logs, but they are helpful if you are working on a WebEx or have limited time to work on a server.
Application path change with newer Auth Connector installation.
Auth Connector 3.1 is currently a feature in public preview: Public Preview: Auth Connector 3.1.1.305473