This guide outlines the necessity of conducting a Hogan Health Check for core banking systems to enhance operational performance and reduce costs. It details the process of assessing the current state of Hogan applications and infrastructure, which is crucial for banks that rely heavily on these systems. The document describes the signs indicating the need for a Health Check, such as rising maintenance costs and slow daily tasks. It presents a structured approach to the Health Check, including kickoff, analysis, documentation, and sign-off phases. The guide emphasizes the importance of a thorough evaluation to identify potential issues and optimize system performance. It also highlights the Luxoft Discovery Team's role in collaborating with banking institutions to ensure a comprehensive assessment. The findings from the Health Check can lead to actionable recommendations for system enhancements and improved integration capabilities, ultimately supporting business continuity and operational efficiency.