Switching to SAP S/4HANA before the end of 2027 should be a priority for businesses migrating their SAP landscapes. Businesses must take the time to understand the real differences between SAP S/4HANA deployment options such as moving to a hyperscaler like AWS, so that any decisions made will be fully informed. Even if there are no immediate plans to begin an SAP S/4HANA migration, the better the preparation, the smoother the deployment.