This case study details the upgrade of Alton Cars' Sage 200 system, highlighting the collaboration between Alton Cars and Pinnacle. The document outlines the challenges faced, including compatibility issues with the existing Sage server and third-party software, which necessitated a postponement of the upgrade until after the financial year-end. Pinnacle developed a structured upgrade plan that included a server compatibility assessment, planned execution post-financial year-end, project management, and minimal disruption implementation. The results of the upgrade included continued full support from both Pinnacle and Sage, a seamless user experience with no major disruptions, enhanced stability, and proactive support from Pinnacle. The case study emphasizes the importance of maintaining up-to-date software versions for operational efficiency and long-term support, demonstrating how Pinnacle's approach facilitated a successful transition for Alton Cars.