WINS is old but still in use in many environments. I upgraded a 2003 domain to 2008 R2 and discovered something about WINS that is worth knowing if you are installing it on a 2008 R2 or newer server.
When you add the WINS feature, it appears to install correctly but some of the server settings are corrupt. Specifically, if you open the server settings and select the ‘Intervals’ tab you will see this: