UltraVNC

Solution found: Connection keeps stable, if the viewer is listening with the option "Let remote server deal with mouse cursor". So I start the viewer with an options file: [topic=4821][/topic]
Thomas

The instability of connection is not healed, unfortunately, if the external machine uses an increased dialup with 2 ISDN lines with 128 k.

The encryption plugin is not included in this stage. Later it should be.

Good idea to include a repeater. I'll report on effects.
Thanks again for your ...

I am pleased with your quick replies in this forum even on a holiday. Many thanks!

My LAN has internet access by a Microsoft MN-700 router. Max. speed is 2.000 downstream. 384 upstream. For testing internet connections, I take out one LAN machine, de-activate its LAN-connections, and dialup with a ...

Systems involved are XP pro, SP2, all windowsupdates recommended,
encryption plugin is not used, long versions of ultravnc up to 1.1.01 work well.

When I use UltraVnc SC based on RC 2.3 or the test version based on REL 1.00 within a LAN, connecting to vncviewer 1.0.0.18 or 1.0.0.20 or 1.1.01 works ...