Viewing usage history
License usage and usage history can be monitored from the site protection System Menu.
To view usage history:
Select Usage History from the site protection System Menu.
The Usage History dialog box opens, displaying a graph of the number of users over time.
Select the product and version from the Products list to view its usage history.
The graph displays the usage statistics from The Report log. View the Report log directly by selecting Diagnostics > View Report Log from the System Menu.