Beginning October 8, 2024, Duo will assign end-of-life status to Windows 11, version 21H2, for operating systems policy enforced by Duo Desktop. This policy feature is available to customers on Duo Advantage and Duo Premier editions.
Note that this end-of-life status is not related to compatibility of Duo applications installed on Windows. It only impacts policy enforcement outcomes. If you need information about Windows versions supported by Duo applications, refer to this Duo Knowledge Base article.