I am trying to implement and test Microsoft RDP (MFA) using my preview org. I have decided to test this on a Windows 10 VM that I have in Azure. Prior to implementing I have tested that all my users can RDP to the VM successfully, which they can. I have then installed Okta Credential Provider for Windows and entered the Client ID, Client Secret and Okta URL. My Okta Username matches the Active Directory UPN that will be used to log the users on to the workstation, via RDP. I have assigned Everyone to the Microsoft RDP (MFA) application.

When I attempt to logon and I can see the Okta logo. Then I get a Multifactor Authentication Failed message. I cannot remotely logon using any account even the local administrator. I have to remotely remove Okta Credential Provider for Windows to be able to get on the workstation again.

I have checked that .NetFramework 4.6 is installed and that TLS 1.2 is enabled as per KB article https://support.okta.com/help/s/article/Multifactor-Authentication-for-RDP-fails-after-installing-the-Okta-Windows-Credential-Provider-Agent.

I've also check the time is accurate.

Does anyone have any idea what is causing this issue?

Kind regards,

Stuart