This guide outlines the process for conducting a Hogan Health Check, aimed at improving the performance of Hogan core banking systems. It begins by identifying the necessity of a Health Check, particularly when maintenance costs exceed 5% of the annual IT budget or when daily operations experience slowdowns. The document details the steps involved in the Health Check, including the kickoff phase, where technical documentation is collected, followed by a thorough analysis of the current system implementation. The analysis phase identifies gaps and quantifies necessary changes, while the documentation phase involves compiling findings and recommendations. The guide emphasizes the importance of stakeholder engagement during the sign-off phase to ensure all findings are reviewed and approved. Additionally, it describes the composition of the Luxoft Discovery Team, which includes various technical experts essential for delivering the Health Check. The document concludes with a focus on maintaining business continuity and supporting internal teams during implementation.