How to disable Duo Security 2FA in Windows Server 2012 R2

Subject: How to disable Duo Security 2FA in Windows Server 2012 R2


Step 1: Force Windows Server 2012 R2 to go into Recovery mode


Reference guide: 2 Ways to Boot Windows Server 2016 to Recovery Mode

Link: https://www.itechguides.com/windows-server-2016-recovery-mode/


Step 2: Force Windows Server 2012 R2 to go into Safe mode


Step 3: Disable Duo Security 2FA by using the following commands


regsvr32 /u "C:\Program Files\Duo Security\WindowsLogon\DuoCredProv.dll"

regsvr32 /u "C:\Program Files\Duo Security\WindowsLogon\DuoCredFilter.dll"


Reference guide: How do I disable or uninstall Duo Authentication for Windows Logon in Safe Mode?

Link: https://help.duo.com/s/article/1088?language=en_US


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