How to use MS SQL server with Appian using Kerberos Authentication

I have SQL server account which is already configured for Kerberos Authentication. 

Same database i have tested in Apache tomcat server using kerberos with the help of sample web application.

Now i want to use that SQL server in Appian. May i know what are all configuration i need to do on JBOSS server (Version 6.4.20.GA) and in Appian (version is 18.1).

Detailed help is highly appreciated.