Thank you very much for detail explanation. But I don’t have physical access to my server, hence I can’t start the server in safe mode. I am contacting support to see if I can get any help. I will update the result in this thread so if anyone else fa...

I have added Windows RDP on my Duo dashboard. I couldn’t make two-factor authentication work on my server and I was not able to login to my server either. I searched around and realized I should login to my server in order to do any changes on Duo, w...