On a regular basis there will be upgrades to the distribution. As of NetYCE 6.0.0 patchlevel 20140205 the upgrade can be done through the web interface.

Download the latest distribution from here

This page will also outline the update process in more detail

Upgrading will shutdown the database. Be sure there are no users active

1. Go to Admin → System
2. Click the Full report checkbox and click the servername for which the report should be generated.
3. Scroll down to the YCE Software section and find Upload and install YCE version update
4. Click choose file, find and select the NetYCE distribution file and click Install YCE distribution
5. Repeat steps 2, 3 and 4 for each netYCE server in the list.

Be sure to reload the netYCE web interface after the update.