The patch does not remove licensing entirely—it alters the conditional logic inside the DLL. Specifically, it tricks the server into believing that:
Allow multiple users to log in using the same or different accounts. Enable "Concurrent Sessions" on non-RDS deployments. ⚠️ Critical Risks and Warnings
You must grant your user account "Full Control" permissions over the file to replace it. termsrv.dll patch windows server 2016
Using this patch in a production environment violates Microsoft’s Licensing Terms.
About. Patch termsrv.dll so that multiple remote users can open an RDP session on a non-Windows Server computer. qwerity/windows10_multiuser_session - GitHub The patch does not remove licensing entirely—it alters
If you choose to patch, :
I can provide the exact hex sequences or alternative tools based on your environment. Share public link ⚠️ Critical Risks and Warnings You must grant
To patch the file manually, use a hex editor (like HxD). If you are using Windows Server 2016 (Build 14393), look for the following byte patterns. 39 81 3C 06 00 00 0F 84 B1 7D 02 00 Use code with caution. Replace it with this hex string: B8 00 01 00 00 90 89 81 3C 06 00 00 Use code with caution.
This guide is provided for educational purposes only. Modifying termsrv.dll may violate Microsoft licensing terms and can introduce security vulnerabilities. Always consult with legal and security professionals before implementing any system modifications in production environments.
