The login subsystem (winlogon.exe) and the GDI graphics subsystem is then initiated, which handles the job of authenticating the user and presenting the GUI. When a Remote Desktop Protocol (RDP) client connects to this port, it is tagged with a unique SessionID and associated with a freshly spawned console session (Session 0, keyboard, mouse and character mode UI only). The key server component of RDS is Terminal Server ( termdd.sys), which listens on TCP port 3389. In late December 2004 the two companies announced a five-year renewal of this arrangement to cover Windows Vista. In this arrangement, Citrix has access to key source code for the Windows platform, enabling its developers to improve the security and performance of the Terminal Services platform. Microsoft has a long-standing agreement with Citrix to facilitate sharing of technologies and patent licensing between Microsoft Terminal Services and Citrix XenApp (formerly Citrix MetaFrame and Citrix Presentation Server). RDS and Windows authentication systems prevent unauthorized users from accessing apps or data. Such centralization can make maintenance and troubleshooting easier. Remote users can log on and use those applications over the network. įor an organization, RDS allows the IT department to install applications on a central server instead of multiple computers. Only by acquiring additional licenses (in addition to that of Windows) can a computer running Windows Server service multiple remote users at one time and achieve virtual desktop infrastructure. This licensing scheme, called "Remote Desktop for Administration", facilitates administration of unattended or headless computers. Windows Server allows two users to connect at the same time. Other client versions of Windows only allow a maximum of one remote user to connect to the system at the cost of the user who has logged onto the console being disconnected. Windows XP Home Edition does not accept any RDC connections at all, reserving RDS for Fast User Switching and Remote Assistance only. For example, rdesktop supports Unix platforms.Īlthough RDS is shipped with most editions of all versions of Windows NT since Windows 2000, its functionality differs in each version. Third-party developers have also created client software for RDS. Fast User Switching is part of Winlogon and uses RDS to accomplish its switching feature. Fast User Switching allows users to switch between user accounts on the local computer without quitting software and logging out.
In case of RDC, however, the remote user opens a new session on the remote computer and has every power granted by its user account's rights and restrictions. In case of Remote Assistance, the remote user needs to receive an invitation and the control is cooperative. The first two are individual utilities that allow a user to operate an interactive session on a remote computer over the network.
Terminal Services were then renamed to Remote Desktop Services with Windows Server 2008 R2 in 2009. Starting with Windows 2000, it was integrated under the name of Terminal Services as an optional component in the server editions of the Windows NT family of operating systems, receiving updates and improvements with each version of Windows. RDS was first released in 1998 as Terminal Server in Windows NT 4.0 Terminal Server Edition, a stand-alone edition of Windows NT 4.0 Server that allowed users to log in remotely. Remote Desktop Services ( RDS), known as Terminal Services in Windows Server 2008 and earlier, is one of the components of Microsoft Windows that allow a user to initiate and control an interactive session on a remote computer or virtual machine over a network connection. com /en-us /windows /win32 /termserv /terminal-services-portal Components of Microsoft Windows Remote Desktop Servicesĭocs.
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