This article describes the new DameWare licensing and activation procedure. Previous DameWare licensing and activation required users to apply different license keys for each versions of the software they purchased or upgraded. A license key for one version does not apply to another, and license keys need to be reapplied after each installation.
Go to SolarWinds License Manager and follow the instructions to install License Manager and activate licenses.
If this is successful, the software is activated. If unsuccessful, the following are basic troubleshooting guides: