About the local license database

Any Workbench PC (including a Supervisor) has a “local license database”, a structured collection of subfolders and files under its Niagara release (Sys Home) !/security/licenses/db directory. Each subdirectory has a unique Niagara “host ID” name, matching that for some remote host platform. The figure below shows an example license database structure, as viewed in the Workbench Nav tree.
Figure 136.   Workbench local license database is everything under !/licenses/db
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Your local license database is created and managed automatically by Workbench, and updated whenever you perform license operations from platform connections, PlatformServices plugins, or when using Workbench tools such as the Workbench License Manager. Note that you can see the same directory/file structure when looking at this location on your Workbench PC using Windows Explorer.

 
NOTE: The license required for your (local) Workbench PC operation is in the root of the licenses folder, named simply by your brand, for example Tridium.license.