In order to use the campus' central RDS licensing you need to configure two settings using a GPO or the local security editor.
There are no credentials required on the license server side to configure.
The only thing you can do to validate the settings are correct is to verify it shows the "connectivity" as "available". in the RD License Diagnoser
Computer Configuration/Windows Components/Remote Desktop Services/Remote Desktop Session Host/Licensing (Can be set with the local GPEdit or AD Group policy editor).
Set the Remote Desktop licensing mode Enabled
Specify the licensing mode for the RD Session Host server. Per User
Use the specified Remote Desktop license servers Enabled
License servers to use: rds-pts01.ist.berkeley.edu,rds-pts02.ist.berkeley.edu