Network Computing Devices Inc has launched version 3.0 of its WinCenter multi-user Windows NT server application. In addition, the interface has been changed so that there is no need for any middleware to handle the various streams of data from Windows, Java, Unix or legacy applications. This version also adds load balancing, automated downloading of operating system patches and a shadowing feature that enables two or more users to be on the same session simultaneously. This is especially useful, says the company for technical support staff to walk users through a problem or for multi-user training. WinCenter sits on top of Citrix Systems Inc’s WinFrame multi-user NT extensions. The load balancer assigns to users to other servers when one is over- loaded. The new Dynamic BootP enables WinCenter servers to assign IP addresses to network computers, printers, routers and other machines. Available now, WinCenter 3.0 costs $2,300 for a five- user version – about the same price as the 2.1 version. Upgrades start at $135 for the package.