What Is ITSM? Definition, AI Trends, KPIs & How to Choose a Tool (2026 Guide)

IT Service Management (ITSM) is the structured practice of designing, delivering, supporting, and continuously improving technology services for employees, customers, and partners, emphasizing measurable service outcomes rather than isolated technical fixes. Its core processes include incident, problem, change, request, knowledge, asset and configuration, and service-level management, typically supported by a service desk, self-service catalog, and ITSM platform. ITSM differs from ITIL, which is a widely used best-practice framework for implementing service management, and from DevOps, which prioritizes rapid software delivery but can complement ITSM’s governance and stability controls. Enterprise Service Management extends ITSM methods to functions such as HR, facilities, legal, and finance. AI is increasingly shaping the field through automated ticket routing, virtual agents, predictive incident detection, knowledge generation, change-risk assessment, and specialized incident-orchestration tools that integrate with core ITSM systems. Organizations assess ITSM performance through metrics such as resolution and acknowledgment times, first-contact resolution, SLA compliance, self-service deflection, satisfaction, ticket backlog, and change success rates, while effective implementations generally begin with high-priority workflows, build knowledge resources early, use realistic service targets, and expand iteratively based on KPI data.

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