Business case / feasibility study / tendering / selection process
PMO and program management
change management
Realistic project planning is the prerequisite for achieving the defined project goals, regardless of whether the project is carried out with classic or agile methods. Often in these first project phases, in the project initiation, the project planning or the project organization, there are failures that catch up later during the project excecution.
"People don't resist change, people just resist beeing changed."