Bernt Christandl wrote:
Dear all,
obviously I have an understanding problem.
I'm a newbie to VNC with only very little windows-knowledge;
I come from unix, so please forgive my ignorance...
Welcome to the club. Vnc on msWindows differs a lot from vnc on unix:
Where on unix, vnc by default provides a new X11 session by means of the
Xvnc X11 server, on msWindows it only replicates the console (or
desktop) of an already available session.
We live in a nearly windows-free environment, but nevertheless
sometimes we have the need to access a windows-machine and run
a program that's available only there.
Therefore I'm looking for a possibility to access one windows-host
(XP Pro) from remote. This is working with windows remote desktop,
but I failed to use remote desktop for more than two or more (different!)
sessions in parallel. It looks to me as if only one connection
is possible at a time, whether it's from remote or locally.
It is wXP that restricts you. Keep in mind, msWindows is build for the
PC, which is still an abreviation of Personal Computer. Hence there is
only one desktop session, which normaly is displayed on the console.
With remote-desktop that can be moved somewhere else, however then it is
not visible on the desktop, that is locked... With vnc on msWindows it
is this desktop either on the console or not that is replicated.
Then I've read that I want to use VNC... :)
Before buying something, I tried the free version and
was astonished: It looks to me as if VNC "only" dublicates
the workstation local screen and sends the output to my remote
PC-desktop. Even when I was not logged in to the windows machine,
I can see the windows-session screen that I've opened with vncviewer
on my remote PC parallel on the windows-screen.
You found it yourself.
So has VNC the possibilities to open several (at least 3 or 4)
different windows sessions that do not "see" each other?
No, it is restricted by microsoft. If you need multiple sesisons, get a
server variant of msWindows like W2Kserver, W2K3, or the new W2K8, which
ever suits your needs. For what it is worth: w2k server is comparable
with w2k desktop. w2k3 server is comparable with wxp on the desktop and
w2k8 is comparable with wvista on the desktop.
Alternatives are: a (clasic) Citrix environment, or virtualisation with
vmware, xen, or such. However, for unix environments, most of them are
based on linux.
Or is it more a teaching/helping/surveying tool where one person can see
and correct, what another person is doing?
That's one of the usages. Its also used for recording video-streams, or
software-based remote-console.
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