Some features of DeskNow require a commercial license (DeskNow Professional).
These features are listed at http://www.desknow.com/desknowmc/buy.html
The DeskNow Lite license, free, enables these features only for a limited period of time from the date of installation, as a demo. When the demo period expires, the commercial features will no longer be available. You can then decide to purchase a commercial license, or to keep working with the Lite license.
To use the Outlook Connector or to sync data using the SyncML protocol from PDA and other SyncML devices, you need a SyncML Connector license, available at http://www.desknow.com/syncml/buy.html
For the Administrator: to purchase a license, click on Registration on the menu, and then on Purchase new License. The ordering process is fast and automated.
You will immediately receive a license key that you can use to register your DeskNow server - you do not need to reinstall the server, you can simple keep using your installation.