Business leaders are increasingly looking to IT to deliver a client computing experience that enables employees to quickly and easily access corporate data, applications, and communication resources across their devices of choice. Likewise, business users generally don't care about the delineation between multiple hardware and software platforms or between personal smartphones or corporate devices. They simply want to access the applications and data needed to perform their job whether they are working in the office or remotely. This IDC study describes the IDC MaturityScape for a unified approach to managing an enterprise's expanding portfolio of device types. It identifies the stages, dimensions, outcomes, and actions required for IT service and support teams to transform their client computing management practices for success in increasingly heterogeneous endpoint device environments. This study also serves as a guide for technology executives to identify areas in need of improvement in support of desktop and application delivery and management practices that enable an organization's digital transformation initiatives. This IDC MaturityScape for unified device management (UDM) provides snapshots of the stages of maturity that an IT organization must strive to achieve, particularly in today's increasingly diverse and demanding client computing environments. Further, this study: Describes the IDC MaturityScape framework for UDM in terms of how desktop and application delivery and management processes can be transformed, progressing from ad hoc and uncoordinated efforts through an aspirational view of a fully optimized holistic approach to the accountability and management of an organization's entire fleet of devices, to include the rapid influx of IoT endpoints. Provides guidance to technology executives on the areas in which they need to improve physical, virtual, and cloud hosted desktop and application delivery and management to remain efficient and effective, as well as advance their company's digital transformation initiatives. This IDC MaturityScape will enable technology leaders to assess their current state and readiness to undertake UDM as a holistic client computing delivery and management strategy."The IDC MaturityScape for UDM provides a view of the breadth of client device management issues that encompass the challenges that IT leaders face when seeking to transform how their enterprises leverage a plethora of client devices and applications to enhance employee productivity and ultimately the organization's competitive advantage," states Robert Young, research director, IDC IT Service Management & Client Virtualization Software. "This study provides a road map of the stages of maturity that an IT organization must achieve to optimize the delivery and management of an ever-expanding portfolio of device types and applications entering the enterprise."