UltraVNC

Oh, I see...
I totally overlooked that part.

Thanks again!

Hello Rudi,

thanks for clarification how UAC is works in UltraVNC.

We have the following settings in ultravnc.ini

QuerySetting=4
QueryTimeout=30
QueryAccept=0
QueryIfNoLogon=0

Setting QueryAccept=2 seems to solve my problem, the viewer automatically reconnects after a few seconds.
What is the ...

I have a very similar problem.

UltraVNC Server is running as sevice on Win8.1, query window is enabled, default action is refuse.
When UAC kicks in the connection is lost. The viewer doesn't crash in my case.

When I try to reestablish the connection I get a "authentication rejected". As soon as ...