Since the server improvements are not available downlevel, the features introduced with each newer RDP version only work on downlevel operating systems when connecting to a higher version RDP server from these older operating systems, and not when using the RDP server in the older operating system.īased on the ITU-T T.128 application sharing protocol (during draft also known as "T.share") from the T.120 recommendation series, the first version of RDP (named version 4.0) was introduced by Microsoft with "Terminal Services", as a part of their product Windows NT 4.0 Server, Terminal Server Edition. Microsoft provides the client required for connecting to newer RDP versions for downlevel operating systems. The Terminal Services server is supported as an official feature on Windows NT 4.0 Terminal Server Edition, Windows 2000 Server, all editions of Windows XP except Windows XP Home Edition, Windows Server 2003, Windows Home Server, on Windows Fundamentals for Legacy PCs, in Windows Vista Ultimate, Enterprise and Business editions, Windows Server 2008 and Windows Server 2008 R2 and on Windows 7 Professional and above.
HistoryĮvery version of Microsoft Windows from Windows XP onwards includes an installed Remote Desktop Connection (RDC) ("Terminal Services") client (mstsc.exe) whose version is determined by that of the operating system or by the last applied Windows Service Pack. The protocol is an extension of the ITU-T T.128 application sharing protocol. Microsoft currently refers to their official RDP server software as Remote Desktop Connection, formerly "Terminal Services Client".
By default, the server listens on TCP port 3389 and UDP port 3389. RDP servers are built into Windows operating systems an RDP server for Unix and OS X also exists. The user employs RDP client software for this purpose, while the other computer must run RDP server software.Ĭlients exist for most versions of Microsoft Windows (including Windows Mobile), Linux, Unix, OS X, iOS, Android, and other operating systems. Remote Desktop Protocol ( RDP) is a proprietary protocol developed by Microsoft, which provides a user with a graphical interface to connect to another computer over a network connection.
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