How to Fix Remote Desktop Error: NTLM Authentication Being Blocked on Remote Computer

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Yeah, you know sometimes you need to deal with legacy systems like old windows servers. And when you trying to connect using RDP, an error message telling you that NTLM auth being blocked on remote computer. Here is simple way to fix it…

Disable NLA (Less Secure)

On the remote computer, go to sysdm.cpl 

Go to Remote tab, and uncheck “Allow connections only from computers running Remote Desktop with Network Level Authentication (recommended)”.

Try RDP again and you should see no error!