Exploring Remote Desktop Services User Mode Port Redirector Exploring Remote Desktop Services User Mode Port Redirector, Enhancing Remote Connectivity. In the realm of remote desktop services (RDS), the User Mode Port Redirector (UMPR) plays a pivotal role in facilitating seamless connectivity and efficient remote access to desktop environments, applications, and resources. As a critical component of Microsoft’s Remote Desktop Services suite, the UMPR enables users to establish secure connectio