Change Management is part of Service management, according to ITIL.
IT Change Management Description
Change management is responsible for controlling the lifecycle of all changes to IT infrastructure and services, ensuring that they are properly evaluated, authorized, prioritized, planned, tested, implemented, documented, and reviewed in a controlled manner.
The goal of change management is to minimize the adverse impact of changes to IT services on business operations while maximizing the benefits of the changes.
IT Change Management Tasks
Change management tasks, according to CISSP:
- Request
- Review
- Approve/reject
- Test
- Schedule and implement
- Document
Request
Request are usually done from a Request for Change (RFC).
Review
Review of changes is usually done by a Change Advisory Board (CAB).
A backout plan or rollback plan allows to go back to the previous state in case the implementation does not work as intended. This plan should be approved as part of the
Approve/reject
Test
Approve Schedule and Implement
In case implementation does not work as intented, the backout plan is executed.
Document
IT Change Management Process Components
IT Change management process components, according to CISSP:
- Request control
- Change control
- Release control
Request Control
Change Control
Release Control
Release control includes acceptance tests.
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External References
- “CISSP Official Study Guide 9th edition”, pp. 787-788
- Change Management Components
- “CISSP Official Study Guide 9th Edition”, p. 964-965