...
Also, make sure the Shared Secret corresponds to the one you specified in the NPS Radius Client settings.
Click Save.
Connect the Failthru Server to a domain by selecting Domain Connections from the Failthru server sub-menu...
Select the domain and click Save.
Setup a Failthru Token
Before a user can use the failthru server, the user has to be assigned a Failthru token.
...

