When debugging these issues, I usually use a third party Java SQL Client to test and white-box connections. Try to use Netbeans (https://netbeans.org/) with your driver to connect to your instances. Also, on the message you are getting, you have probably seen: https://blogs.msdn.microsoft.com/psssql/2015/01/09/jdbc-this-driver-is-not-configured-for-integrated-authentication/ , if not it may help. ... View more