When the registry is hacked, the Terminal Server service becomes unstable. You will see Event ID 4105: "Remote Desktop Services cannot issue a license." This results in random disconnections every 60 minutes. Users lose work. Productivity dies.
If your RDS stops accepting connections with the error "The remote session was disconnected because there are no Remote Desktop License Servers available," you can follow these steps:
In test environments, the 120-day limit can be reset by deleting the "timebomb" registry key: Guidance for troubleshooting RDS Licensing - Windows Server
Would you like a deeper technical explanation of how the RDS licensing protocol works, or help setting up a with 180-day free RDS?
Within this key, you will find several critical values:
Instead of buying perpetual licenses, look into CSP (Cloud Solution Provider) subscriptions which allow you to pay monthly for only what you use. Conclusion
This guide outlines how to configure or reset Remote Desktop Services (RDS) Client Access Licenses (CALs) using the Windows Registry, primarily focusing on fixing the 120-day grace period or configuring licensing modes in Windows Server environments. Disclaimer: