Microsoft_Press_ebook_Introducing_Windows_Server_2012_R2_PDF.pdf

Enhanced usb redirect usb redirection from within rds

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Enhanced USB Redirect USB redirection from within RDS was first introduced in Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1 to support VDI scenarios. USB Redirect occurs at the port protocol level and enables redirection of a wide variety of different types of universal serial bus (USB) devices, including printers, scanners, webcams, Voice over Internet Protocol (VoIP) headsets, and biometric devices. RDS in Windows Server 2012 enhanced this capability with support for USB Redirect for Remote Desktop Session Host (RD Session Host) to enable new kinds of scenarios for businesses that implement session virtualization solutions. In addition, USB Redirect for Remote Desktop Virtualization Host (RD Virtualization Host) no longer requires installing the RemoteFX 3D Video Adapter on the virtual machine in order to work. User Profile Disks Before Windows Server 2012, preserving user state information for sessions and virtual desktops required using Windows roaming technologies like roaming user profiles (RUP) and Folder Redirection (FR). But implementing RUP and FR added more complexity to deployments. RDS in Windows Server 2012 simplifies session-based and VDI deployments with the introduction of User Profile Disks, which store user data and settings for sessions and virtual desktops in a separate VHD file that can be stored on a network share.
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Previous RDS enhancements CHAPTER 9 167 RDS in Windows Server 2012 R2 isn’t a radical change from what it was in Windows Server 2012, but it does have some exciting new features and enhancements that can make managing remote sessions easier, provide a richer user experience, and allow you to get the best possible value from VDI. Improved RemoteApp experience In previous versions of RDS, when you opened a RemoteApp program and dragged it around on the desktop, only an outline of the program’s window was displayed. And if you hovered the mouse pointer over the taskbar icon of a RemoteApp program, no thumbnail preview was displayed—only the generic icon associated with the program. In Windows Server 2012 R2, however, the RemoteFX graphics capability has been enhanced in several ways. For example, dragging around a RemoteApp program now drags the entire contents of the program’s window. And as Figure 9-1 shows, hovering over the taskbar icon of the RemoteApp program displays a live thumbnail preview of the program. FIGURE 9-1 Hovering over the taskbar icon of a RemoteApp program now displays a live thumbnail preview of the program.
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168 CHAPTER 9 Remote Desktop Services As Figure 9-2 shows, these advanced graphics capabilities of RemoteFX in Windows Server 2012 R2 can be configured using Group Policy. RemoteFX advanced graphics functionality is enabled by default, but you can use this policy setting or disable it if some of your published applications don’t support them.
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