Termsrv.dll Patch Windows Server 2016 Access
This method gives you full control and works across all Server 2016 builds.
The termsrv.dll file is the primary library for Remote Desktop Services in Windows. In non-server versions of Windows (like Windows 10 or 11), it restricts access to a single user. In Windows Server 2016, it natively allows two sessions. Patching involves using a HEX editor or a script to modify specific byte sequences in this file to remove these hard-coded session limits. How to Patch termsrv.dll for Windows Server 2016 termsrv.dll patch windows server 2016