: Restart the server. Upon reboot, a new 120-day grace period will begin. Critical Considerations

: These are required for each user or device that accesses a Remote Desktop Session Host (RD Session Host) server. There are two types of CALs: Per Device and Per User. The Per Device CAL is assigned to a device, and the Per User CAL is assigned to a user.

There is no registry key that provides "free" Remote Desktop Services (RDS) Client Access Licenses (CALs). Legitimate RDS CALs must be purchased and installed through the Remote Desktop Licensing Manager