The same hardware id in RDS licensing

Hello,

We have an issue with RDS Licensing. In RDS licensing we have a lot of the same HW IDs and im looking for a good solution.
I know the cause is a faulty image, maybe even some EWF settings on some of our thinclients.

So i know i can re-generate a hardware ID by deleting the MSLicensing reg keys so thats not a problem, i can build a GPO for it. The problem is i need to run MSTSC as administrator to re-generate the hardware key in the register.
My users login by RDWeb, RDWeb starts MSTSC. Is there anyway i can temporary let it run as administrator, so the HW ID is regenerated?

Also after we fixed the issue with the image / EWF, deleted and regenerated the HW ID's. How can i empty the RDS Licensing DB so we can start fresh?

Thanks,

LEVD