Toolbox is intended to be installed and activated on a single system. Toolbox is not designed to be installed on multiple systems using a single license or to be installed and activated on multiple different systems in a short amount of time.
If you are interested in running diagnostics and troubleshooting multiple systems at a time please take a look at our product offerings such as Service Center
or reach out to our sales team
We understand that users often upgrade or replace their systems. As such, if you have replaced or upgraded your system and are having issues with activating Toolbox, please open a support ticket
for assistance with activation.