Hello @Gall77 ,
Thanks for your query.
1.What's the OS version of your client computer?
2.Can you share the troubleshooting solutions you've tried but unsuccessful?
3.Is there any error message in the event log?
4.Please check the following methods:
(1) With the default installation, you can’t log in as root by any means, be it ssh, or remote graphical session; Somehow, RDP locks up on the place of the first initialization. Then only logout from remote machine can fix this thing.
Ubuntu 20.04 Remote Desktop Access from Windows 10: https://linuxconfig.org/ubuntu-20-04-remote-desktop-access-from-windows-10
(2) How to Connect to a Ubuntu 20.04 Server via Remote Desktop Connection using xRDP: https://bytexd.com/xrdp-ubuntu/
(3) Make sure that there is no user logged into the system before you use RDP; For some reason, the communication between xrdp and sesman was not possible with ipv6 disabled on the loopback interface. Only after enabling ipv6 on the loopback interface the xrdp to sesman connection could be established and xrdp was working.
How to Connect via Remote Desktop (RDP) to Ubuntu 20.04 | 18.04: https://websiteforstudents.com/how-to-connect-via-remote-desktop-rdp-to-ubuntu-20-04-18-04/
(4) I was able to solve this issue by logging out of the desktop session for the machine before trying RDP; I found this xRDP installation script that works perfectly! https://c-nergy.be/blog/?p=15978
Xrdp on Ubuntu 20.04: https://askubuntu.com/questions/1245020/xrdp-on-ubuntu-20-04
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