Here, we will discuss the critical steps involved in setting up the cutover workstream. 
We will cover milestones, organizational aspects, and the coordination required for a smooth transition.

Cutover milestone planning
Define a schedule for activities within the cutover workstream on weekly or at least monthly granularity 
o initialize Cutover Strategy
o define Cutover Orga
o define Cutover Milestones
o draft Cutover KeyDateList
o setup Cutover toolset
o initialize Cutover plans
o plan & execute Full Dress rehearsal
o plan & execute final cutover
o schedule cutover closing phase

Cutover workstream organization
How the Cutover  is part of the overall project organization:
o is there a dedicated Workstream for cutover?
o what the reporting line for the cutover workstream?
o are there dedicated roles within the workstream cutover? setup an initial staffing plan.
o has the workstream a dedicated budget?