Windows NT 4.0 TSE was a distinct development branch, separate from the standard Windows NT 4.0 Server codebase.
While Microsoft developed the Remote Desktop Protocol (RDP) for TSE, Citrix continued to offer its more advanced ICA protocol through its MetaFrame add-on, which provided better performance over low-bandwidth connections. Technical Architecture and Key Features windows nt 4.0 terminal server edition
Windows NT 4.0 Terminal Server Edition: The Foundation of Modern Remote Desktops Windows NT 4
To bring this capability into the official Windows line, Microsoft licensed Citrix’s "MultiWin" technology. Previously, Citrix had licensed the Windows NT 3
Previously, Citrix had licensed the Windows NT 3.51 source code to create WinFrame, a multi-user version of NT.
The technology behind Terminal Server Edition (TSE) was not built by Microsoft from scratch. It was the result of a landmark 1997 agreement between Microsoft and .
Released on , Windows NT 4.0 Terminal Server Edition (codenamed "Hydra") was a revolutionary milestone in enterprise computing. It transformed the Windows operating system into a multi-user environment, allowing users to run 32-bit Windows applications centrally on a server while interacting with them via remote clients. This edition effectively laid the groundwork for today’s Remote Desktop Services (RDS) and Azure Virtual Desktop . A Historical Partnership: Microsoft and Citrix