Your exact (found via winver )
Overcoming this limitation typically requires purchasing Remote Desktop Services (RDS) Client Access Licenses (CALs) and configuring an RDS License Server. However, for testing, lab environments, or budget-constrained setups, administrators often look for ways to patch the termsrv.dll file to allow unlimited concurrent connections for free.
Users and administrators might encounter several issues related to termsrv.dll in Windows Server 2022, including: termsrvdll patch windows server 2022 free work
Press Windows + X , then select Windows Terminal (Admin) or PowerShell (Admin) . If you are using a standard PowerShell window, the script can self‑elevate, but running it directly as administrator is safer.
on GitHub is the most reliable "free" method for Server 2022. TermsrvPatcher.ps1 script from the repository. Your exact (found via winver ) Overcoming this
If a third user attempts to log in, Windows prompts them to disconnect an active user. To officially support more connections, Microsoft requires the installation of the Remote Desktop Session Host (RDSH) role and the purchase of RDS CALs. The restriction is enforced purely by software logic inside a core system library file called termsrv.dll . Methodology 1: Manual hex editing of termsrv.dll
because the OS natively supports multiple RDP sessions. By default, it allows two concurrent administrator sessions . If you need more, you typically install the Remote Desktop Session Host (RDSH) role, which provides a 119-day free trial. If you are using a standard PowerShell window,
In comparison, client versions of Windows (like Windows 10 or 11 Pro) only allow one active RDP session at a time.
Example with Universal Patcher (run as admin):
If you cannot find a configuration file that exactly matches your build number, you can try the nearest available version; however, using an exact match is highly recommended for stability.