Windows RealVNC server not accepting connections
gregg.drwho8 at gmail.com
Fri Oct 28 15:17:06 BST 2011
> I'm running the latest Free RealVNC server in service mode on a WinXP box
> and it isn't accepting any connections. I tried to connect to localhost and
> I get a dialog box right away saying the connection closed unexpectedly.
> I'm not prompted for a password.
> The icon is in the tray saying it is running.
> What do you recommend I do to troubleshoot this?
> I found the log in the Windows Event Viewer. When I look at properties,
> this is what I see for every attempt from localhost:
> SocketManager: unknown listener event: 0
> But when I try to connect from a Linux machine on the subnet, it doesn't
> register anything. When I use nmap on the Linux box to look at the Windows
> box, I see that port 5900 is "filtered" rather than "open".
> I was able to use "vncviewer -listen" on the Linux box to receive a
> connection from the VNC server on Windows. That worked but only
> momentarily. It locked up almost right away and then the VNC server crashed
> on Windows, including the usual Microsoft request to report the error, which
> I did.
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If I remember correctly, using VNC on Windows is tricky. Is it on the
"allowed programs list" for the firewall? And for trying to connect to
it on the host, you'd need to enable that feature during the startup
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