I would imagine the problem here is due to the firewalls. Can you VNC on to machines outside your firewall? If so your firewall is configured to map the VNC connections correctly. If not you'll have to configure your firewall to do that before you arrange for the clients to be configured - if they'll allow it cos its a bit of a security hole apparently. It shouldnt be difficult - if you/they can browse then there will be mappings for port 80 so they just need to be copied for whatever vnc uses. If you're doing work fro them I would recommend at the very least that VNC is not run as an autostart service but when you need to connect they start the listening service and the service is terminated when you have done to prevent any unwarranted intrusion. Ideally you should get them to disable the VNC access through the firewall when its not required just in case someone 'clocks the wrong button' and leaves someone else in charge on a PDC! Tom
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