This technical report outlines the site exit use case in network transformation, focusing on the challenges and benefits associated with exiting telecommunications sites. It describes how the escalating cost of real estate and the trend of mergers and acquisitions necessitate a strategic reevaluation of infrastructure. The report details the complexities involved in site exits, including the need for accurate network data, space, power, and capacity planning. It emphasizes the importance of meticulous planning and coordination to ensure a smooth transition and minimize customer disruption. The document also presents the benefits of site exits, such as cost savings, improved network reliability, and progress toward sustainability goals. Furthermore, it explains the processes involved in the site exit, including data validation, equipment installation, and decommissioning, while highlighting the role of Ciena Services in facilitating these transitions through their Network Transformation Suite.