Capture special moments Take a photo of your video call to capture any moment, and share it automatically with everyone on the call. Keep calls private with end-to-end encryption.
Keep calls private with end-to-end encryption Whether it's one-to-one calls, group calls or video messages, your conversations on Duo will always stay private with end-to-end encryption. Learn more. About Google. Google Products. Join User Studies. Apple, the Apple logo and iPhone are trademarks of Apple Inc. Google Duo Download. Last updated:. December 7, User rating:. Simple interface Pick a loved one and jump right in, with a simple interface that brings video to the forefront.
Cross-platform Video call all your friends across Android and iOS with just one simple app. What's New: Low light mode is now available on compatible devices to improve video call visibility in poor lightning conditions Make and receive Duo calls on Google Nest speakers Bug fixes and product improvements. The application you were trying to launch runs after you approve the Duo two-factor request. If you chose to remember the device at the Windows desktop login, then you won't need to approve Duo authentication for UAC either until the trusted Duo session ends.
Remember: if you find that Duo Authentication for Windows Logon has locked you out of your Windows system e. Duo Authentication for Windows Logon v4. Check the box next to Enable offline login and enrollment to turn on offline access.
Check the Only allow offline login from users in certain groups to specify a group or groups of Duo users permitted to use offline access. Users who are not members of the groups you select here won't be able to enroll in offline access or login in with MFA when the Windows system is unable to contact Duo, and instead are subject to your fail mode configuration let in without MFA if you enabled fail open, or prevented from logging in if you disabled fail open.
After you configure this option, when a user logs into a Windows system while it's online and can reach Duo and it has been greater than hours since the last online authentication, Duo for Windows Login will update the offline policies for all users on the system, including deprovisioning them for offline access if they are no longer members of the offline groups selected for offline login in the Duo Admin Panel.
If you also configured permitted groups on your RDP application, users need to be members of both the permitted and the offline login groups to use offline access.
Choose from the two options for expiring offline access in the Prevent offline login after setting:. Enter the maximum number of offline logins allowed to users.
With this option, there is no expiration date for offline access. Users may log on to the Duo-protected Windows workstation while offline the number of times you specify here. They'll need to reconnect their offline computer to the internet upon reaching this limit. Enter the maximum number of days offline, up to With this option, there is no limit to the number of times a user logs in while offline during the allowed period. Users need to reconnect their offline computer to the internet upon reaching the end of the period you define here.
If the user does not perform online Duo authentication before the maximum number of days specified here is reached, they can no longer log in offline , and so must connect to Duo's service in order to log in at all. Both offline authentication methods are allowed unless you uncheck one in the Offline authentication methods setting.
You may not uncheck both options. Any authentication method enabled for offline access is always permitted, overriding any other policy setting restricting authentication methods for the RDP application. No information about logins using offline access is reported in Duo Admin Panel authentication reports while the Windows system is offline. At the next online authentication, login events that occurred while the system was offline are sent to Duo's service.
These events show up in the Authentication Log with other user access results, and show the offline authentication method used. By default, five 5 users may enroll in offline access. To increase or reduce the number of users that may activate offline access on a given Windows client, use the Registry Editor regedit. Once the maximum number of users have activated offline access, the next user receives an error when attempting to enroll in offline access. To force offline reactivation for a previously activated user on a given Windows system, use the Registry Editor regedit.
You may have Windows systems where no users should log in using offline access, regardless of the application setting in the Duo Admin Panel. To prevent offline authentication for any user on a given Windows client, use the Registry Editor regedit. You can also reactivate offline access from the online Duo prompt. Note that only one authentication device — a single phone with Duo Mobile or a single security key — may be activated for offline login.
Activating a second device via the reactivation process deactivates the first. You can upgrade your Duo installation over the existing version; there's no need to uninstall first. The installer maintains your existing application information and configuration options.
Download the most recent Duo Authentication for Windows Logon installer package. Run the installer with administrator privileges and follow the on-screen prompts to complete the upgrade installation. If you're upgrading to a version that includes new installer options, the configuration screen for those options won't be shown during an upgrade install.
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