After more 2 000 000 (two million) views on forum for 1.5.0.x development versions... and 1.6.1.0, 1.6.3.0-dev versions
A new stable version, UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 have been released: https://forum.uvnc.com/viewtopic.php?t=38095
Feedback is always welcome

2026-04-01: After 1.7.x, 1.8.x release builds need tests and feedback: https://forum.uvnc.com/viewtopic.php?t=38158

2026-03-11: CVE-2026-3787 and CVE-2026-4962 - Clarification: https://forum.uvnc.com/viewtopic.php?t=38155

2025-12-02: We need help: English Wikipedia UltraVNC page has been requested to deletion: https://forum.uvnc.com/viewtopic.php?t=38127
Any help is welcome to improve the UltraVNC page and/or to comment on the Wikipedia Talk page

2025-05-06: Forum password change request: https://forum.uvnc.com/viewtopic.php?t=38078

2023-09-21: Important: Please update to latest version before to create a reply, a topic or an issue: https://forum.uvnc.com/viewtopic.php?t=37864

Development: UltraVNC development is always here... Any help is welcome
Feedback is welcome

Help is very needed for:
Windows ARM/ARM64 support: https://forum.uvnc.com/viewtopic.php?t=38163 / https://github.com/ultravnc/UltraVNC/issues/346
macOS support: https://forum.uvnc.com/viewtopic.php?t=38164 / https://github.com/ultravnc/UltraVNC/issues/347
Linux support: https://forum.uvnc.com/viewtopic.php?t=38165 / https://github.com/ultravnc/UltraVNC/issues/348
*BSD support: https://forum.uvnc.com/viewtopic.php?t=38166 / https://github.com/ultravnc/UltraVNC/issues/349
*Solaris support: https://forum.uvnc.com/viewtopic.php?t=38167 / https://github.com/ultravnc/UltraVNC/issues/350

InstantSupport repeatedly lost connection

Simple, Free, Open Source UltraVNC Wrapper Supporting Windows and Mac OSX
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Oldwar
Posts: 1
Joined: 2010-12-04 17:28

InstantSupport repeatedly lost connection

Post by Oldwar »

Hi!

I have a problem with InstantSupport server. It connects successfuly to the Repeater and then drops it. Here is the log:
Server added to list 529045
recv 39
recv 0
connection closed by peer
Server Removed from list 529045
Server added to list 529045
recv 39
recv 0
connection closed by peer
Server Removed from list 529045
Server added to list 529045
recv 39
recv 0
This happens every minute. InstantSupport is running on Window 7 with firewalls and so on disabled. Repeater is on WinXP.
Is there any ideas what is the problem?
supercoe
400
400
Posts: 1732
Joined: 2009-07-20 21:27
Location: Walker, MN

Re: InstantSupport repeatedly lost connection

Post by supercoe »

This is how the auto reconnect feature works in UltraVNC.
The server waits for a viewer to connect during a timeout period.
If no viewer connects within the timeout period the server usually quits with an error but the -autoreconnect feature establishes the connection again instead.

Basically, it's working the way it was intended.
ChunkVNC - Free PC Remote control with the Open Source UltraVNC wrapper InstantSupport!
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