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Remote Desktop Services (RDS), known as Terminal Services in Windows Server 2008 and earlier,〔(【引用サイトリンク】 title=Windows Remote Desktop Services spotlight )〕 is one of the components of Microsoft Windows that allows a user to take control of a remote computer or virtual machine over a network connection. RDS is Microsoft's implementation of thin client, where Windows software and the entire desktop of the computer running RDS, are made accessible to a remote client machine that supports Remote Desktop Protocol (RDP). With RDS, only software user interfaces are transferred to the client system. All input from the client system is transmitted to the server, where software execution takes place.〔(【引用サイトリンク】 title=Technical Overview of Terminal Services in Windows Server 2003 )〕 This is in contrast to application streaming systems, like Microsoft App-V, in which computer programs are streamed to the client on-demand and executed on the client machine. RemoteFX was added to RDS as part of Windows Server 2008 R2 Service Pack 1. == Overview == RDS first appeared in Windows NT 4.0 Terminal Server Edition as "Terminal Services". Starting with Windows 2000, it became a mainstay of the Windows NT family of operating systems〔 and was improved with each version of Windows.〔 The rename to "Remote Desktop Services" occurred with Windows Server 2008 R2〔 〕 in 2009. Windows includes three client components that use RDS: # Windows Remote Assistance # Remote Desktop Connection (RDC) # Fast User Switching The first two are individual utilities that allow a user to take control of a remote computer over the network. In case of Remote Assistance, the remote user needs to receive an invitation and the control is cooperative. 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.〔〔 (【引用サイトリンク】 title=How to change the listening port for Remote Desktop ) 〕〔 (【引用サイトリンク】 title= Frequently Asked Questions about Remote Desktop )〕 Fast User Switching allows users to switch between user accounts on the local computer without quitting software and logging out. Fast User Switching is part of Winlogon and uses RDS to accomplish its switching feature.〔〔 〕 Third-party developers have also created client software for RDS. For example, rdesktop supports Unix platforms. Although RDS is shipped with most editions of all versions of Windows NT since Windows 2000,〔 its functionality differs in each version. Windows XP Home Edition does not accept any RDC connections at all, reserving RDS for Fast User Switching and Remote Assistance only. 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 Server allows two users to connect at the same time. This licensing scheme, called "Remote Desktop for Administration", facilitates administration of unattended or headless 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.〔〔 〕 For an organization, RDS allows the IT department to install applications on a central server instead of multiple computers. Remote users can log on and use those applications over the network. Such centralization can make maintenance and troubleshooting easier. RDS and Windows authentication systems prevent unauthorized users from accessing apps or data. 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). 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. In late December, 2004 the two companies announced a five-year renewal of this arrangement to cover Windows Vista. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Remote Desktop Services」の詳細全文を読む スポンサード リンク
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