I've built a new TikiWiki on version 15.4 running on Windows Server 2008R2 with IIS7. I am able to log in as admin and work on configs, but when I try to log in using one of my domain users, it simply redirects me to a blank page, which turns out to be the login page. When I look at the Tiki Logs, I see that the user that's trying to log in is Anonymous, not the domain user. Where do I go to tell it not to attempt anonymous logins?
I verified that my AD/LDAP settings are correct, based on an existing Tiki installation running 12.x which works.
I added some additional authentication methods to the Authentication section in IIS, but that didn't help.
I disabled Anonymous Authentication in IIS, which didn't help either.
I looked in my PHP.ini file, and php_ldap.dll is listed under 'ExtensionsList'.