Patch Windows Server 2016 | Termsrv.dll

Windows Server 2016, by default, allows only two simultaneous administrative remote connections. This is by design—Microsoft intends this for light server management, not for multi-user access scenarios. However, in lab environments, development servers, legacy application hosting, or even small businesses on a budget, the need for more than two concurrent users arises frequently.

Advanced users use hex editors to find specific byte sequences in the DLL and replace them. Common targets for Windows Server 2016 include: 39 81 3C 06 00 00 0F 84 XX XX XX XX termsrv.dll patch windows server 2016

Or simply reboot.

Modifying core system binaries is a "gray hat" activity that comes with significant trade-offs: Windows Server 2016, by default, allows only two