[keycloak-user] How to validate LDAP connection?

I'm setting up keycloak to test it out and having trouble setting up and testing the LDAP input. Is there a way to explicit test that the LDAP is setup correctly? no matter what I enter into the settings page I don't see anything in the logs and I don't see any new users on the users page. What I am looking for is a way to use our ActiveDirectory (via LDAP) as the source. I'm not sure if it will support roles from AD yet, but that would be my next step. thanks, -Aaron