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
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2025-12-03: Could you please complete our poll/survey? Renaming UltraVNC files and service to be more clear: https://forum.uvnc.com/viewtopic.php?t=38128
There was a problem to vote, it is solved now! Thanks in advance!

2025-12-02: We need help: English Wikipedia UltraVNC page has been requested to deletion: https://forum.uvnc.com/viewtopic.php?t=38127
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Black screen on Windows 2019 Server

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cybermat
Posts: 4
Joined: 2010-01-07 12:46

Black screen on Windows 2019 Server

Post by cybermat »

Hello, i read a lot about this issue but i cannot figure out to solve...

On Windows 2019 server, i installed Ultravnc 1.4.3.6 but when i connect using vncviewer i can see just a black screen.

- If i'm logged via RDP i can see the screen and works
- if i plug a display port cable, i can see the screen and works
- If i press ctrl alt delete, i can see Windows screen

Please let me know.
cybermat
Posts: 4
Joined: 2010-01-07 12:46

Re: Black screen on Windows 2019 Server

Post by cybermat »

Since i have an Nvidia Quadro P2200, i virtually connected the EDID of one monitor that i'm used to connect to this server, but my server run without monitor.

My question is : should Virtual Monitor installed be compatible with 2019 server ? Or is just for 10, 11 (client side) ?
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Rudi De Vos
Admin & Developer
Admin & Developer
Posts: 6978
Joined: 2004-04-23 10:21
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Re: Black screen on Windows 2019 Server

Post by Rudi De Vos »

The virtual monitor driver fix this and it should also be working on other versions then 10/11.
Server 2019 need to be at least 1903
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