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Documentation

Duo Authentication for Windows Logon and RDP - Release Notes

Last Updated: September 12th, 2019

Duo integrates with Microsoft Windows client and server operating systems to add two-factor authentication to Remote Desktop and local logons.

Version 4.0.6 - September 2019

  • Added a support tool that sanitizes and packages config and log files into a zip file you can send to Duo Support when troubleshooting issues.
  • Added log file rotation.
  • Added additional UI installer options for HTTP proxy settings.
  • Updated GPO template to include log file rotation and Offline Authentication configuration.
  • Removed .NET dependency for the installer connectivity check.
  • Fixed a bug that would result in "Ordinal Not Found" being displayed in certain scenarios.
  • Fixed the flow of windows password changes that could cause re-enrollment in Offline Authentication.
  • Removed errant log message stating "Duo Auth Not Configured".
  • Response to CERT/CC Vulnerability Note VU#576688.
  • Security improvements for Offline Authentication.
  • Additional bug fixes and security enhancements.

Version 4.0.5 - April 2019

  • Correct issue enforcing secure failmode (FailOpen=0) when the Offline Access feature is disabled at the client system (OfflineAvailable=0). PSA-2019-001 (CVE-2019-11237)

Version 4.0.3 - February 2019

  • Corrected issue with installer not preserving configured options on upgrade.

Version 4.0.2 - February 2019

  • Corrected an issue with offline access de-provisioning registered users unexpectedly after a bypass login.
  • Installer dialog changes for integration and smart card options.
  • Command line installer now permits setting all configuration options.
  • Fixed issues with installer product codes that affected MSI in-place upgrades.

Version 4.0.1 - December 2018

  • UsernameFormatForService setting now respected when set via GPO.
  • Bug fixes.

Version 4.0.0 - November 2018

  • Introduces offline access with Duo MFA.
  • Adds support for Windows Server 2019. Deprecates support for Windows 8 and 2008 (2008 R2 is still supported).
  • Now includes the Windows hostname of the system where Duo is installed in the Duo authentication logs for both remote and local console logins.
  • Bug fixes

Version 3.1.2 - May 2018

  • Installer improvements, including a new API connectivity check

Version 3.1.1 - October 2017

  • Supports chaining Duo authentication with smart card logon
  • Configurable username format for Duo now supports userPrincipalName (UPN)
  • Bug fixes

Version 3.1.0 - July 2017

  • Support for wrapped credential providers
  • Permits whitelisting third-party credential providers
  • Configurable Duo username format sAMAccountName or NTLM name (msDS-PrincipalName)
  • Silent MSI command line upgrade

Version 3.0.0.85 - February 2017

Version 2.1.0 - September 2016

Version 2.0.0.71 - February 2016

Version 1.2.0.14 - August 2015

Version 1.1.8 - September 2014

  • Improved handling of UPN usernames
  • Adjustment to authentication attempt timeout logic
  • Bugfixes

Version 1.1.7 - April 2014

  • Ensured that the secondary login window always appears on Server 2012, Windows 8, and newer

Version 1.1.6 - April 2014

  • Fixed upgrades using .msi installers in headless mode

Version 1.1.5 - March 2014

  • Fixed log on to domain accounts on offline workstations
  • Fixed log on to domain accounts with usernames that match local accounts

Version 1.1.4 - Jan 2014

  • Bugfixes

Version 1.1.3 - Jan 2014

  • Fixed double-prompt for username/password when logging into Windows 7 / Server 2008 R2 (or newer) with an RDP client supporting Network-Level Authentication

Version 1.1.2 - Oct 2013

  • Used a more reliable mechanism to determine client IP addresses

Version 1.1.1 - Oct 2013

  • Fixed issues parsing usernames

Version 1.1.0 - Sept 2013

Version 1.0.7 - July 2013

Version 1.0.6 - November 2012

  • Released Windows Server 2003 version