Architecture Change Management (Phase H)
This final phase of the TOGAF ADMÂ looks at establishing procedures for managing change to the new architecture.

Inputs
The inputs of this phase are:
- External reference materials.
- Request for Architecture Work (optional) (Prelim Phase).
- Organization Model for Enterprise Architecture (Prelim Phase).
- Tailored Architecture Framework (Prelim Phase).
- Statement of Architecture Work (Phase A).
- Architecture vision (Phase A).
- Architecture Repository.
- Architecture definition documents and requirements (BDAT).
- Architecture roadmap, version 1.0 (Phase F).
- Change requests – technology changes, business changes, lessons learned.
- Implementation governance model.
- Architecture Contract (Phase G).
- Compliance assessments (Phase G).
- Implementation and migration plan, version 1.0 (Phase F).
Steps
The steps included in this phase are:
- Establish the Value Realization Process.
- Deploy Monitoring Tools.
- Manage Risks.
- Provide Analysis for Architecture Change Management.
- Develop Change Requirements to Meet Performance Targets.
- Manage Governance Process.
- Activate the Process to Implement Change.
Outputs
At the end of this phase, the following outputs are generated:
- Architecture updates (maintenance).
- Change to architecture framework and principles (maintenance).
- New Request for Architecture Work (for major changes).
- Statement of architecture work (Update if necessary).
- Architecture contract (updated if necessary).
- Compliance assessments (update if necessary).