ITIL - Service Transition Overview


Service Transition manages transition of a new or changed service. It ensures all changes to the service management processes are carried out in coordinated way.

Service Transition Overview


The objectives of service transition are as follows −

Sr.No. Objectives

Provide a consistent framework for evaluating the service capability and risk profile before a new or changed service is released or deployed.


Establish and maintain the integrity of all identified service assets and configurations as they evolve through the service transition stage.


Plan and manage the capacity and resources required to package, build, test, and deploy a release in to production and establish the service specified in the customer and stakeholder requirements.


Provide efficient repeatable build and installation mechanisms that can be used to deploy releases to the test and production environments and be rebuilt if required to restore service.


Ensure that service can be managed, operated and supported in accordance with the requirements and constraints specified in service design.

Service Transition Benefits

Service Transition helps to improve several things as discussed below −

  • Quick adaptability to new requirements

  • Transition management of mergers, de-mergers, acquisitions and transfer of services

  • Success rate of changes and releases for the business

  • Success rate of changes and releases for the business

  • Predictions of service levels and warranties for new and changed service

  • Confidence in the degree of compliance with business and governance requirements during change

  • Variation of actual against estimated and improved plans and budgets

  • Productivity of business customer staff

  • Timely cancellation or changes to maintenance contracts for software and hardware when components are decommissioned

  • Understanding the level of risk during and after change

Service Transition Processes

The processes involved in Service Transition are as follows −

Sr.No. Process & Description

Transition Planning and Support

This process deals with management and control of transition plan.


Change Management

This process ensures manage and control change management process. It also prevents any unauthorized changes from occurring.


Service Asset and Configuration Management (SACM)

It maintains database for configuration items such as servers, switches, routers etc.


Release and Deployment Management

This process deals with management and control of movement of releases to test and live environment.


Service validation and Testing

This process deals with the quality of services offered.


Knowledge Management

This process deals with gathering, storing, analyzing, and sharing knowledge.