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

Enable DSM Plugin on UltraVNC Viewer

Should you have problems with the DSM Plugin? Here is the place to look for help or report issues
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Steveg
Posts: 2
Joined: 2012-04-19 12:52

Enable DSM Plugin on UltraVNC Viewer

Post by Steveg »

I am using the DSM Plugin to setup encryption with the SecureVNCPluginARC4.dsm. I was wonder how to remotely set the use DSM Plugin on the UltraVNC Viewer. Is there a setting in the ini file or in the registry that would enable UltraVNC Viewer to remember the check box beside "Use DSM Plugin"? I need to push this setting out to many PCs to enable the use of DSM Plugin on the UltraVNC Viewer. Thanks
YY
200
200
Posts: 996
Joined: 2006-11-13 15:11

Re: Enable DSM Plugin on UltraVNC Viewer

Post by YY »

The default setting of UltraVNC Viewer is saved in a file named "options.vnc".

This file is located at:
C:\Documents and Settings\User_Name\Application Data\UltraVNC
(or = “%AppData%\UltraVNC")

So with proper setting inside this file, the UltraVNC Viewer will start with your preferred configuration. In your case, it can be done with:
UseDSMPlugin=1
DSMPlugin=SecureVNCPluginARC4.dsm
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