In systems implementation, what is the very first step teams should perform to kick off the implementation phase effectively?

Introduction / Context:
In information systems, the implementation phase translates approved designs into a working solution in production. The first action that sets the tone for all subsequent work is implementation planning, because it organizes scope, timelines, resources, environments, risk controls, and communication paths before any hands-on activities begin.

Given Data / Assumptions:

• The project has passed analysis and design and received approval to proceed.
• Budgets and high level timelines exist but must be converted into executable plans.
• Multiple workstreams (infrastructure, data, application, testing, training, cutover) will run in parallel.

Concept / Approach:
Implementation planning produces a detailed plan including WBS (work breakdown structure), RACI (responsibility assignments), environment plan (DEV, TEST, UAT, PROD), migration/cutover plan, test strategy, training approach, contingency/rollback, and communications. This plan reduces uncertainty and aligns stakeholders on what will happen, when, and by whom.

Step-by-Step Solution:

Verification / Alternative check:
If you attempt to purchase hardware, announce changes broadly, or reconfigure facilities before you have an agreed plan, you risk rework and cost overruns. A sound plan is the prerequisite that validates sequence and readiness for those later steps.

Why Other Options Are Wrong:

Common Pitfalls:
Teams sometimes start building environments or migrating data before aligning on scope, cutover windows, and rollback criteria; this often causes delays and unplanned outages.

Final Answer:
Implementation planning (scope, schedule, resources, risks).