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Ultra VNC problems with Mulitple Users on XP Pro

Posted on 2006-07-07
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Last Modified: 2012-06-27
I've used Ultra VNC for a couple of years on my local network and it works great.   I recently set it up for a client so that he could have remote access to his network.  

The 2 things the client would like to do are as follows:

1)  The client wants to access 1 computer running XP Pro on his network from home.  

2)  When my client is in the office, he wants to be able to monitor the desktop of the same computer when various users are logged on.  There are 5 user setups.  Microsoft Authentication is setup and all computers are in a workgroup.  Because of HIPAA security requirements, the screensaver is password protected and set to lock the screen after 15 minutes of inactivity.

Initally, I set "winvnc.exe" to run in the  "Startup" folder for "All Users" so that it would start the Ultra VNC Server whenever a different user logged in.  This works great for my client until the screen saver kicks in.   When you try to log in (local or remote) after the screen saver kicks in, it connects but you never get the remote desktop.

After doing some searching on the internet and on the Ultra VNC website, I found that running the server as a
"service" was supposed to be the answer.   This works great on the local network.  On the local network, the VNC Viewer can access the desktop of the VNC server even when the screensaver has locked the PC .

However, when the VNC Server is running as a "service",  remote access doesn't work across the internet.   I tried shutting down  all firewalls on both ends, but it still doesn't work.   What happens is that when you use the VNC Viewer to access the VNC Server, you try to log in but nothing happens.

The workaround now is to have the client  turn the screensaver protection off and run "winvnc.exe" in the "Startup" folder for "All Users" whenever he wants remote access.  However, this is in conflict with the security policy.

Does anyone know if there's a way to run Ultra VNC server as a service and have remote access ???
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Question by:jcrdsl77
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rsivanandan earned 250 total points
ID: 17064818
When the screensaver protection is enabled and on, connect through VNC. Once it gets the desktop (where you don't see anything right now), did you try sending ctrl+alt+del ? From the vnc connection menu bar, right click and select 'send ctrl+alt+del'. this should bring up the login window.

Cheers,
Rajesh
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Author Comment

by:jcrdsl77
ID: 17097069
Rajesh, thanx for you reply.  However, once the you type in the username and password, the login dialog box goes away , but, the remote desktop does not display.  So, there's no way the menu bar to do the ctrl+alt+delete.
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Author Comment

by:jcrdsl77
ID: 17240118
Rajesh, we couldnt figure this one out.  Workaround is to have users turn off monitor and disable screensaver for the time being.  And, maybe use PCanywhere.  thanx for your reply.
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LVL 32

Expert Comment

by:rsivanandan
ID: 17240238
hmmm there should be something that would work...anyways, if I come across something I would let you know

Cheers,
Rajesh
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