Oracle Solaris 11.1, 11.2, 11.3 XDMCP Configuration
Display manager configuration: Configure GDM
Open the following GDM configuration file and set the Enable entry to true in the [xdmcp] section:
# vi /etc/gdm/custom.conf[xdmcp] Enable=true (Mandatory. The default value is false) DisplaysPerHost=100 (Optional. The default value is 2) MaxSessions=100 (Optional. The default value is 2)
Reboot or restart gdm daemon
# svcadm restart gdm