Rds Cal License Registry Key 〈HD〉

Whenever possible, use Group Policy Objects (GPOs) to assign license servers and licensing modes (Per User or Per Device) rather than hacking the registry manually. GPOs are easier to audit and replicate.

If you are seeing "The Remote Desktop trial period has expired" even after installing licenses, you may need to delete the cached grace period key to force a refresh. rds cal license registry key

You must first take ownership and grant yourself "Full Control" permissions for this key. Once done, delete the L$RTMTIMEB... binary value inside. Whenever possible, use Group Policy Objects (GPOs) to

To get the most out of your RDS CALs and maintain a healthy RDS environment: You must first take ownership and grant yourself

This registry key tells the RD Session Host whether to look for or Per Device CALs.

This guide covers the exact registry locations for RDS CALs, how to manage them, and best practices for system administrators. 🛑 Critical Warning Before You Begin