To silently remove Duo for Windows Logon from your environment, run the following command from PowerShell or an elevated command prompt, specifying the MSI file for the version of Duo for OWA currently installed: Can I silently uninstall Duo for OWA from a command line or PowerShell? You can also choose to change the default settings for fail mode to fail closed with FAILOPEN='#0', specify UPN as the username format sent to Duo instead of the sAMAccountName with DUO_USEUPNUSERNAME='#1', or define a shared session key on multiple OWA servers with DUO_AKEY=”xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx” (The AKEY is a string that you generate and keep secret from Duo it should be at least 40 characters long.).

The parameter names passed to the installer (DUO_IKEY, DUO_SKEY, DUO_HOST, etc.) are case-sensitive! Msiexec.exe /i duo-owa-1.3.2.msi DUO_IKEY='DIDIXXXXXXXXXXXXXXXXXXXX' DUO_SKEY='xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx' DUO_HOST='' /qn Can I silently install Duo for OWA from a command line or PowerShell?Įnter the following command into PowerShell or a Command Prompt to silently install Duo for OWA with default options (note that the MSI filename changes to reflect the version): We strongly urge you to upgrade to current versions with Microsoft support. Microsoft ended support for Windows Server 20 R2 on January 14, 2020.ĭuo no longer supports installation of any Duo applications on unsupported operating systems or Exchange versions. Microsoft Exchange 2010 reached the end of support on October 13, 2020. Which Windows and Exchange versions does Duo for Outlook Web Access support?ĭuo supports Exchange 2013 and later installations on Windows Server 2012 and later.ĭuo's last day of support for OWA 2010 was February 15, 2021. Duo adds two-factor authentication to OWA logins, complete with inline self-service enrollment and Duo Prompt.

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