Host groups in Dynatrace offer a valuable tool for managing hosts in large environments by allowing them to be grouped into manageable sets, which is particularly useful for tasks like configuring auto-update or anomaly-detection settings. Although currently in the Beta phase, host groups have already proven beneficial by enabling the treatment of multiple hosts as a single virtual host in certain scenarios, like load-balancer environments. A notable enhancement to this feature is the ability to configure host groups without reinstalling OneAgent, using the oneagentctl command, which requires administrative privileges and facilitates host group assignment and management. This command allows for scripting and automation and necessitates stopping and restarting OneAgent for changes to take effect, impacting data aggregation due to the recalculation of process group IDs. Future improvements to the host groups feature are planned, and Dynatrace offers a free 15-day trial for new users to experience its capabilities.