I have done first yum -y install tigervnc-server Then vncpasswd in order to set a password to vnc. Then I have started the vncserver on my guest with vncserver :1 -geometry 800x600 -depth 24, even you can see in the picture that the server is up:

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And when I go to Windows 10 to connect with UltraVNC Viewer and I type the Host-Only IP the program says to me failed to connect to server even connecting with port (5901) or with display (1).


Do selinux=disabled in etc/selinux/config and systemctl disable firewalld reboot and it works.

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