
Users with blank passwords may not login after Duo Authentication installation. Windows users must have passwords to log in to the computer.See Can I Use Duo with a Microsoft Account? for more information. Additional configuration may be required to log in using a Microsoft attached account.If you wish to protect local console logons with Duo, please see the FAQ for some guidance on securing your Windows installation appropriately. If two-factor is enabled for both RDP and console logons, it may be bypassed by restarting Windows into Safe Mode (e.g. Installing Duo Authentication for Windows Logon adds two-factor authentication to all interactive user Windows login attempts, whether via a local console or over RDP, unless you select the "Only prompt for Duo authentication when logging in via RDP" option in the installer.

Please review all these compatibility and installation notes before proceeding.

