SLED 12 SP2 systemd disconnected by use kill out after login


I have configured Linux terminal (xrdp, freenx) on SLED 11SP2 and SLED 11 SP2 both are working perfect and i can login on both server with local user.
When i try to login on client PC with nx remote desktop client the login kick out back to cleint screen.

The message logs as under;

tail -f /var/log/messages

2017-01-10T00:11:39.395565+07:00 linux-sled12 systemd[8866]: Reached target Sockets.
2017-01-10T00:11:39.395897+07:00 linux-sled12 systemd[8866]: Reached target Paths.
2017-01-10T00:11:39.396160+07:00 linux-sled12 systemd[8866]: Reached target Timers.
2017-01-10T00:11:39.396395+07:00 linux-sled12 systemd[8866]: Reached target Basic System.
2017-01-10T00:11:39.396628+07:00 linux-sled12 systemd[8866]: Reached target Default.
2017-01-10T00:11:39.396864+07:00 linux-sled12 systemd[8866]: Startup finished in 16ms.
2017-01-10T00:11:39.397097+07:00 linux-sled12 systemd[1]: Started User Manager for UID 1000.
2017-01-10T00:11:46.748493+07:00 linux-sled12 org.a11y.Bus[9440]: Activating service name=‘org.a11y.atspi.Registry’
2017-01-10T00:11:46.752773+07:00 linux-sled12 org.a11y.Bus[9440]: Successfully activated service ‘org.a11y.atspi.Registry’
2017-01-10T00:11:46.752951+07:00 linux-sled12 org.a11y.atspi.Registry[9458]: SpiRegistry daemon is running with well-known name - org.a11y.atspi.Registry
2017-01-10T00:11:51.783511+07:00 linux-sled12 gnome-session-binary[9427]: WARNING: software acceleration check failed: Child process exited with code 1
2017-01-10T00:11:51.907042+07:00 linux-sled12 sshd[8726]: pam_unix(sshd:session): session closed for user nx
2017-01-10T00:11:51.907884+07:00 linux-sled12 org.a11y.atspi.Registry[9458]: XIO: fatal IO error 11 (Resource temporarily unavailable) on X server “:1000”
2017-01-10T00:11:51.908204+07:00 linux-sled12 org.a11y.atspi.Registry[9458]: after 20 requests (20 known processed) with 0 events remaining.
2017-01-10T00:11:51.926834+07:00 linux-sled12 sshd[8876]: Received disconnect from port 37244:11: disconnected by user[/COLOR]

2017-01-10T00:11:51.927210+07:00 linux-sled12 sshd[8876]: Disconnected from port 37244
2017-01-10T00:11:51.927543+07:00 linux-sled12 sshd[8863]: pam_unix(sshd:session): session closed for user user123
2017-01-10T00:11:53.910408+07:00 linux-sled12 systemd-logind[1071]: Removed session 3.
2017-01-10T00:11:53.912593+07:00 linux-sled12 systemd[1]: Stopping User Manager for UID 478…
2017-01-10T00:11:53.913613+07:00 linux-sled12 systemd[8728]: Stopped target Default.
2017-01-10T00:11:53.913807+07:00 linux-sled12 systemd[8728]: Reached target Shutdown.
2017-01-10T00:11:53.927025+07:00 linux-sled12 systemd[8728]: Starting Exit the Session…
2017-01-10T00:11:53.927376+07:00 linux-sled12 systemd[8728]: Stopped target Basic System.
2017-01-10T00:11:53.927566+07:00 linux-sled12 systemd[8728]: Stopped target Timers.
2017-01-10T00:11:53.927729+07:00 linux-sled12 systemd[8728]: Stopped target Paths.
2017-01-10T00:11:53.927889+07:00 linux-sled12 systemd[8728]: Stopped target Sockets.
[COLOR="#FF0000"]2017-01-10T00:11:53.936157+07:00 linux-sled12 systemd[8728]: Received SIGRTMIN+24 from PID 9501 (kill).[/COLOR]
2017-01-10T00:11:53.937760+07:00 linux-sled12 systemd: pam_unix(systemd-user:session): session closed for user nx
2017-01-10T00:11:53.938499+07:00 linux-sled12 systemd[1]: Stopped User Manager for UID 478.
2017-01-10T00:11:53.939126+07:00 linux-sled12 systemd[1]: Removed slice User Slice of nx.
2017-01-10T00:11:54.911403+07:00 linux-sled12 systemd-logind[1071]: Removed session 4.
2017-01-10T00:11:54.913009+07:00 linux-sled12 systemd[1]: Stopping User Manager for UID 1000…
2017-01-10T00:11:54.913879+07:00 linux-sled12 systemd[8866]: Stopped target Default.
2017-01-10T00:11:54.914183+07:00 linux-sled12 systemd[8866]: Stopped target Basic System.
2017-01-10T00:11:54.914440+07:00 linux-sled12 systemd[8866]: Stopped target Sockets.
2017-01-10T00:11:54.914791+07:00 linux-sled12 systemd[8866]: Stopped target Paths.
2017-01-10T00:11:54.931013+07:00 linux-sled12 systemd[8866]: Stopped target Timers.
2017-01-10T00:11:54.931323+07:00 linux-sled12 systemd[8866]: Reached target Shutdown.
2017-01-10T00:11:54.931585+07:00 linux-sled12 systemd[8866]: Starting Exit the Session…
2017-01-10T00:11:54.942697+07:00 linux-sled12 systemd[8866]: Received SIGRTMIN+24 from PID 9508 (kill).
2017-01-10T00:11:54.945678+07:00 linux-sled12 systemd[1]: Stopped User Manager for UID 1000.
2017-01-10T00:11:54.946317+07:00 linux-sled12 systemd[1]: Removed slice User Slice of user123.



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