Failed to connect to server (code 1006) openstack VNC

nova.conf

Problem : Unable to connect to Openstack instance console using VNC using openstack Horizon
Error Message : Failed to connect to server (code 1006)
Environnment : OpenStack RDO Juno , CentOS7

Solution: You need to update vncserver_proxyclient_address  with the openstack controller IP address OR novavncproxy_base_url IP address as shown below

[root@os-node1 ~(keystone_admin)]# cat /etc/nova/nova.conf | grep -v "#" | grep -i vnc
novncproxy_host=0.0.0.0
novncproxy_port=6080
novncproxy_base_url=https://192.168.1.111:6080/vnc_auto.html
vncserver_listen=0.0.0.0
vncserver_proxyclient_address=192.168.1.111
vnc_enabled=True
vnc_keymap=en-us
[root@os-node1 ~(keystone_admin)]#