This article details the Windows Server versions that you can use to host a ARK2FA server role.
Starting ARK2FA , Windows Server 2016, 2019, 2022,2025 is supported. ARK2FA server requires .Net Core 8.0. Therefore, latest .Net Core 8.0 supported systems are among the supported operating systems for ARK2FA. See Supported OS for .Net Core 6.0 documentation. Also see Windows Server Release Information.