GUI for SUSE Linux Enterprise Server guests in Citrix XenServer

To enable GUI on SLES VM in Citrix Xenserver, you need to edit /etc/xinit.d/vnc and change the Port from 5901 to 5900

service vnc1
{
        type            = UNLISTED
        port            = 5900
        socket_type     = stream
        protocol        = tcp
        wait            = no
        user            = nobody
        server          = /usr/bin/Xvnc
        server_args     = -noreset -inetd -once -query localhost -geometry 1024x768 -securitytypes none
        disable         = yes