RDP Access Issue
Client facing issues in RDP
-Try doing RDP if failed and you see the same error, Change NSG rules.
-Check your IP using cmyip.com.
-Add your IP address in NSG rules.
-Logged in into the machine by changing inbound rules.
-Check event viewer> Security
-Here you can see if the machine was under brute force attack.
For additional info watch this video https://csquare1.sharepoint.com/sites/Support/Shared%20Documents/Communication%20Square/Video%20Documentation/Azure%20(Awais)/How%20to%20Add%20IP%20In%20NSG.mp4
How to add IP in NSG