What is Change?
In the context of ITIL, by change we mean any change in IT service accomplished by some change request or change order. The ITIL defines it as any ‘addition, modification or removal of authorized, planned or supported service or service component and its associated documentation. 'The typical scope of ITIL Change Control or Management covers the service change management process for the IT department and also the interacting interfaces with the business and the suppliers at the strategic, tactical and operational levels.
What are the inputs?
One relevant point to discuss is : what inputs are considered when assessing changes through the ITIL Change Management process. The salient inputs are namely - (i) The enterprise-level change policy or the change strategy or the guidelines adopted, (ii) RFCs , in other words, the formal requests for change which describes contents and the components of the change asked for, (iii) The Change Proposals - the detailed change procedure to follow , with specific context and background, based on the adopted change model, (iv)The service management plan to manage the life-cycle of the change phases including execution, release ,deployment, QA, post-implementation evaluation and remediation if risks surface, (v) The affected services and/or the CIs, (vi) The Change Management documentations like change schedule (with all approved changes and listed imple mentation schedules) and projected service outage documents which discuss the effect of possible service outage in executing planned changes, maintenance actions recommended, QA plans and agreed SLAs.
The Change outputs include (i) the RFCs , either approved or rejected, (ii) Resulted changes to the services or the configuration items, (iii) Updated Change Schedules and published Project Service Outages (iv) Approved Change Execution Plan, (v) Change Documents and Records ( digitized or manually maintained and preserved) , (vi)Management Reports to analyse and review.