After more 1 000 000 (one million) views on forum for 1.5.0.x development versions... and 1.6.0.0 version
A new stable version, UltraVNC 1.6.1.0 and UltraVNC SC 1.6.1.0 have been released: https://forum.uvnc.com/viewtopic.php?t=38080
Feedback is welcome

Celebrating the 22th anniversary of the UltraVNC (25th anniversary since the laying of the foundation stone): https://forum.uvnc.com/viewtopic.php?t=38031

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

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

Development: UltraVNC development is always here... Any help is welcome.
A new development version, UltraVNC 1.6.2.0-dev has been released, please test it: https://forum.uvnc.com/viewtopic.php?t=38083
Feedback is welcome

Join us on social networks and share our announcements:
- Website: https://uvnc.com/
- GitHub: https://github.com/ultravnc
- Mastodon: https://mastodon.social/@ultravnc
- Bluesky/AT Protocol: https://bsky.app/profile/ultravnc.bsky.social
- Facebook: https://www.facebook.com/ultravnc1
- X/Twitter: https://x.com/ultravnc1
- Reddit community: https://www.reddit.com/r/ultravnc
- OpenHub: https://openhub.net/p/ultravnc

Search found 3 matches

Go to advanced search

by 3D-Admin
2023-09-18 09:07
Forum: 1.4.3.x Releases
Topic: Autoreconnect through KVM-Switch (DesktopWndProc : WM_DISPLAYCHANGE)
Replies: 3
Views: 35290

Re: Autoreconnect through KVM-Switch (DesktopWndProc : WM_DISPLAYCHANGE)


Headless systems doesn't seem to activate the video card and that(s required for vnc to work.
This change is in win11 and latest win10, before you always had as some display.
The OS give a random value back as display, this was crashing the server, in latest version the crash should be solved, but ...
by 3D-Admin
2023-08-17 09:03
Forum: 1.4.3.x Releases
Topic: Autoreconnect through KVM-Switch (DesktopWndProc : WM_DISPLAYCHANGE)
Replies: 3
Views: 35290

Autoreconnect through KVM-Switch (DesktopWndProc : WM_DISPLAYCHANGE)

I use UltraVNC 1.4.3.1 x64
I register all PCs by waking them up via Wake on Lan. The monitor is switched off.
I have the following error on a Windows 11 PC (let's call it PC "A") with a KVM switch (ATEN 2-Port USB HDMI KVM Switch w/Audio) which connects two PCs with one mouse, keyboard and only ...
by 3D-Admin
2023-08-16 09:45
Forum: General help
Topic: When connecting and entering the Windows login password, the session is dropped.
Replies: 2
Views: 9434

Re: When connecting and entering the Windows login password, the session is dropped.

Hi, I have a similar problem and the cause is a KVM switch (which connects two PCs with a monitor, mouse and keyboard).
When the switch is on the other PC turned off, the behavior occurs.
If the switch is switched, the error is gone.
Maybe this helps you with troubleshooting.

Go to advanced search