title: Tomcat: setup realm for authentication to use Windows users
body: <p>I'd like to setup Tomcat on Windows and have authentication in my web application be done against the Windows users (or a subset of those users). I read that if you have users setup on Active Directory, <a href="http://wiki.openi.org/index.php/Configuring_Tomcat_With_Active_Directory" rel="nofollow noreferrer">you can use the JNDI realm</a>.</p>
  
  <p>What if you don't have Active Directory, but just have "simple Windows users" setup on the server? Is it possible to setup a Tomcat realm to authenticate against those, or would I have to implement a realm that does this?</p>