Chris:

Note that Solaris 11 uses GDM as the login (or display manager) program
by default while Solaris 10 and earlier used CDE login.  So the way to
configure/enable XDMCP is different.

GDM does support running as an XDMCP server, though this feature is off
by default.  You need to enable it in the GDM configuration file.  The
GDM manpage, yelp manual,  and online documentation should explain how
to do this.

  http://library.gnome.org/admin/gdm/2.32/gdm.html

Also, note that X11 TCP features are off by default.  If you want to
use TCP/IP connections to the Xserver (which are used by XDMCP), then
you may need to familiarize yourself with this.  To enable it refer
to "man Xserver" and look for "options/tcp_listen".

These features are off by default because XDMCP is known to not be a
very secure protocol, unless run in a tightly controlled environment
(e.g. in a LAN behind a firewall or with proper libwrap configuration
to only allow connections from particular machines).

It is true that the GDM login screen does not offer a chooser screen
by default like CDE login screen did.  GDM does provide an XDMCP
client, but it only works when you configure your system to run X11
with the --indirect option if you wish to setup a Solaris client to
run as an XDMCP client.  But, it sounds like you are using a Windows
XDMCP client, so this is probably not an issue or concern for you.
It just sounds like you need to configure GDM to be an XDMCP server.

If you are having trouble getting things working, turn on GDM debug.
When turned on, the GDM debug output to syslog contains verbose details
about XDMCP issues to help you identify the nature of a problem you
might be seeing.  GDM does support numerous XDMCP options, as you can
see in the manual, and you may need to tune some of them for a given
network.  For example, you may need to use a higher "PingInterval"
setting if your network has particularly high latency.

Brian



There's a problem raised from ISVs about solaris 11 desktop. The ISV who
used to use the windows client to login to solaris now can't login to
solaris 11 by XManager <http://www.netsarang.com/download/main.html>, it
seems X has changed a lot in Solaris 11, and we have following questions
about remote GUI login:
1)Now we can't find remote login option in the login GUI, does it mean
remote login by other machines with solaris installed is not supported
2)How can we login solaris by windows client, such as XManager, xwin32.
BTW VNC works well, but it's just a good tool for co-working, and not
commonly used by ISV.

Regards & Thanks
Chris

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