If you are a developer or a student with a Visual Studio subscription, you may have access to RDS CALs for development and testing purposes at no additional cost beyond your subscription fee. 3. Administrative Mode
Licenses the user/device to use the Remote Desktop functionality. RDS CALs come in two types:
For long-term testing scenarios, Microsoft offers another legitimate mechanism: the slmgr /rearm command. On evaluation versions of Windows Server 2019, you can run this command up to , effectively extending the evaluation period to nearly three years (approximately 180 days × 6 rearms = 1,080 days).
Even with proper licenses, RDS licensing can fail. Here are common fixes. windows server 2019 remote desktop services license free
No legal or permanent method exists to use Windows Server 2019 Remote Desktop Services (RDS) completely for free
During these 120 days, the server does not check for a valid RDS License Server or active CALs.
A quick Google search yields countless PowerShell scripts that reset the RDS grace period via slmgr /rearm . While these work for Windows client OS (Windows 10/11), they have limited success on Server 2019 RDS licensing server role. Most modern Server 2019 updates (KB500xxxx) have patched this loophole. If you find a script that works today, expect it to fail after the next cumulative update. If you are a developer or a student
When you first enable the Remote Desktop Services role on Windows Server 2019, Microsoft provides a 120-day licensing grace period Microsoft Learn Functionality
Even during the grace period, it is best practice to configure your intended licensing mode (Per User or Per Device) so the server tracks connections accurately. You can do this using the Local Group Policy Editor. Press Win + R , type gpedit.msc , and hit Enter.
The internet is full of YouTube tutorials showing how to reset the clock with registry tweaks. Technically, they work. Legally and ethically, they are theft. More importantly, in a business environment, they are a liability that will cost you more than a legitimate license ever would. RDS CALs come in two types: For long-term
There is no permanent, free shortcut to bypass Microsoft's RDS CAL requirements on Windows Server 2019 for a production environment. However, by leveraging the for deployment testing, utilizing the free 2-user administrative mode for server management, or pivoting to open-source alternatives like Apache Guacamole, you can successfully achieve remote access goals without breaking compliance or budgets.
: Once the 120 days expire, users will be blocked from connecting unless a valid RDS License Server is active and loaded with purchased RDS CALs. 2. Legal "Free" Alternatives for Administration
Help you decide if you need or Device CALs based on your team structure.
The 120-day countdown begins upon the first user login. Legitimate Ways to Minimize RDS Licensing Costs