After defining the ICT requirements, you need to take inventory of the available infrastructure, such as the hardware in your data center, so you can identify any gap in the current capabilities and see how you can best achieve your objectives with as few disruptions and in the most cost-efficient way possible.
Don’t forget to take into account the “human factor,” such as how employees are actually using the current technologies, the challenges each department encounters, how each software or tool integrates into the “big picture,” and the results the current systems are achieving.