Upgrade steps to upgrade from v2.1.1 or v2.0.2 to v2.2.0P1. Same applies from upgrade from v2.0.2/2.1.1 to 2.3.2.
1. Download and Apply the update file.
Tools > Update to add the update file. Then go to console to apply the update.( You should see following message.)
2. Apply the update.
Choose option 3 from console. Press y when asked and then any key to reboot as shown below. And after it comes up, you should see the new menu option for NTP Client(as shown in image below).
3. Clear browser cache.
This is a must as well. Some of the css and js files have changed and you have to clear browser history for web portal to work correctly.
This is it! Enjoy assigning permissions to users and add active directory users!
You can confirm the new version from Tools > Update.