The biggest challenges in change management often include resistance to change, where employees may be reluctant to adopt new processes or technologies. Communication issues can also arise, leading to misunderstandings and a lack of buy-in. Additionally, resource constraints such as limited time, budget, or personnel can hinder the implementation of changes. Without strong support from your management teams, change initiatives may struggle to gain momentum. Cultural barriers at the organizational level or within specific teams may resist changes that conflict with established norms and values.