Thread:Extension talk:LDAP Authentication/LDAP Authentication configured, still trying to use LCStoreDB

I've got to be missing something in my configuration. Try as I might, the ldap authentication isn't even trying to go out to my AD server. Debug log shows me this:

[caches] LocalisationCache: using store LCStoreDB Fully initialised Connected to database 0 at 127.0.0.1:3306

Here is my environment: Server 2008 R2 running Bitnami distribution of Mediawiki Server 2008 R2 running AD

Here's the relevant config from localsettings.php:

Like I said, its not even trying to hit my AD server.