Step 1) Add line 1 line in the /etc/gdm/custom.conf file.
You must enable XDCMP in the /etc/gdm/custom.conf file add the following lines:
[xdcmp]
Enable = true
Step 2) Comment out the "no-listen=tcp" line within the /etc/X11/fs/config file.
Step 3) Restart the xfs service using the command /etc/init.d/xfs restart
Step 4) start "gdm"
Step 5) When prompted by X to allow addition X servers answer "yes"
Step 6) Configure Xming with XDCMP to IP address single window
Step 7) Check Clipboard
Step 8) Xming options should be "-screen 0 800x600"
