# System migration [ ![Migration from RACS 4 to RACS 5 system – a modern transformation without revolution](https://www.roger.pl/templates/yootheme/cache/66/racs5-migracja-blog-66d29551.jpeg) ### Migration from RACS 4 to RACS 5 system – a modern transformation without revolution 12 August 2025 Blog & News In the security industry, technological change is inevitable—but it doesn’t always have to be revolutionary. As an experienced provider of access control solutions, we offer our clients a smooth and well-considered transition from the RACS 4 access control system to the modern RACS 5. This transformation unlocks new technological capabilities while maintaining operational continuity and using existing infrastructure. ](https://www.roger.pl/index.php?option=com_content&view=article&id=1375&catid=202&lang=en-GB&Itemid=1039)