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

2025-12-14: 1.7.1.X-dev release builds need tests and feedback: https://forum.uvnc.com/viewtopic.php?t=38134

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

No supported security type for 3.3 client

Should you have problems with the MS-Logon plugin? Here is the place to look for help or report issues
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ZioBr1
Posts: 1
Joined: 2006-01-01 12:08

No supported security type for 3.3 client

Post by ZioBr1 »

Hi!
I'm new here!
I'm trying to get access to my server but i got back this message all the times.
I'm using (and checked) the Ms-login way.
Can anybody help me?

Thanks
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Marscha
100
100
Posts: 464
Joined: 2004-05-14 06:48

Post by Marscha »

seems like the server and the viewer are not compatible.

With MS-Logon checked, your server has to be an UltraVNC server.

If you use a different viewer (RealVNC or TightVNC), they don't understand MS-Logon.
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