What is the implementation strategy with the lowest possible risk?

The implementation strategy with the lowest possible risk is often considered to be a Parallel Run. This approach involves running the new system alongside the existing system for a set period of time. By doing so, organizations can ensure that the new system is functioning as expected while still having the legacy system in place to fall back on if any issues arise. This reduces the chances of disruption to business processes since both systems are operational, allowing users to become accustomed to the new system without jeopardizing their day-to-day functions.

Moreover, running both systems simultaneously enables comprehensive testing and validation of the new system in a live environment, providing an opportunity to address any discrepancies, issues, or gaps in functionality before fully transitioning to the new system. This thorough validation process contributes to minimizing risks associated with data loss, service interruptions, or user resistance to the change.

The other strategies, while effective in their own right, typically carry higher levels of risk. For example, a Big Bang approach involves implementing all components of a new system at once, which can lead to significant operational disruptions if challenges arise. A Phased Approach and Incremental Rollout, while less risky than a Big Bang, still involve transitioning to new systems over time and may expose vulnerabilities during the process. Each of