solaris 11 vncserver

Enable XDMCP connections by editing the /etc/gdm/custom.conf file.
[xdmcp]
Enable=true
Restart the GDM service.
# svcadm restart gdm

Enable the Xvnc inetd service.
# inetadm -e xvnc-inetd
Connect from another machine and verify that you see the login screen and can log in to a desktop session.
# vncviewer hostname:port number

Manually
Start the VNC server.
# /usr/bin/vncserver
Enter the VNC server password.
Password:
Verify:

New 'myhost:2 ()' desktop is myhost:2

Creating default startup script /home/user1/.vnc/xstartup
Starting applications specified in /home/user1/.vnc/xstartup
Log file is /home/user1/.vnc/myhost:2.log
From another machine, run the vncviewer command with the address reported by the vncserver command.
# vncviewer hostname:portnumber