Duo Release Notes for July 17, 2020

Hello everyone! Here are the release notes for the most recent updates we’ve made to Duo.

You can subscribe to notifications for new release notes by following the process described here. If you have any questions about these changes, please comment below.

What’s in this release?

New and updated applications

New features, enhancements, and other improvements

Bug fixes

See all bug fixes


New and updated applications

Duo Authentication for Windows Logon and RDP version 4.1.1 released

  • Updated installer to remove the password check that contributed to user lockouts in version 4.1.0 when installed on Active Directory Domain Controllers.
  • Customers with version 4.1.0 installed should upgrade to version 4.1.1 at the earliest opportunity.

Duo Mobile for Android versions 3.33.0 and 3.34.0 released

  • Version 3.33.0 notes:
    • Modernization of our Android code. There will be no further updates for Android Marshmallow (6). Note: We ended support for all versions of Android 6 effective July 28, 2019. Learn more about which versions of Android are supported by Duo Mobile.
    • Miscellaneous bug fixes and improvements.
  • Version 3.34.0 notes:
    • Improvements to notification flows.
    • Users who sideload the app should review this related Duo Community post for instructions on upgrading to 3.34.0.

Duo Device Health Application version 2.6.0.0 released

  • Minor improvements and enhancements for both macOS and Windows versions of the application.
  • Fixed an issue with the Windows version where some browsers and applications were unable to communicate with the app.

New named application added for the public beta of Duo Single Sign-On

New features, enhancements, and other improvements

Increased character limit when configuring the Authorized Networks policy in the Duo Admin Panel

  • Increased the character limit to 16,384 for the two fields that allow administrators to list specific networks when configuring the Authorized Networks policy.

Bug fixes

  • The Administrator Actions Log in the Admin Panel now displays username aliases for newly created or deleted users only when an alias exists for that user. Previously, alias fields for a user would have appeared in the report as “None” when there was no alias for that user.
  • Updated the Admin Panel support phone number for Federal Edition customers to a federal-specific number.
  • Fixed a bug where administrators with the role of Help Desk were not able to sync individual users from the user properties page, only from the directory sync properties page.
  • Fixed a bug that incorrectly triggered an error message in the browser when deleting a directory sync.

Having an issue when upgrading Duo Windows Logon from 4.1.0 to 4.1.1 via MSI installer. Getting an error message “Another version of this product is already installed. Installation of this version cannot continue. To configure or remove the existing version of this product, use the Add/Remove Programs on the Control Panel.” when running a non-quiet install using msiexec from command prompt.

Here is the full install log when trying to upgrade from 4.1.0 to 4.1.1 via msi

Another version of this product is already installed. Installation of this version cannot continue. To configure or remove the existing version of this product, use Add/Remove Programs on the Control Panel.
{7173EF35-2025-4DF2-B1CA-650BD67F51CE}
MSI © (24:34) [11:38:09:630]: Product: Duo Authentication for Windows Logon x64 – Configuration failed.

MSI © (24:34) [11:38:09:631]: Windows Installer reconfigured the product. Product Name: Duo Authentication for Windows Logon x64. Product Version: 4.1.1.334. Product Language: 1033. Manufacturer: Duo Security Inc… Reconfiguration success or error status: 1638.

Hi glaskey-orizon,

Please try the “minor upgrade” msi command from our FAQ for version 4.1.1. You can remove /quiet if you prefer a non-quiet install:

msiexec.exe /quiet /i "DuoWindowsLogon64.msi" REINSTALL=ALL REINSTALLMODE=vomus IS_MINOR_UPGRADE=1