Menu
▾
▴
Re: TightVNC Viewer hangs when restart Windows 7 machine‏
|
From: Eric N. V. <er...@cr...> - 2014-06-13 21:37:33
|
I am using 2.7.10 on both sides. My systems don't freeze during shutdown either. On 6/13/2014 2:00 PM, Wendi Chen wrote: > Thank Scott and Eric for your responses. I do see dimming "security > desktop" when I make changes to the windows 7 x64 machine, like > install/uninstall a program or access system configuration. I could > see such kinds of dimming desktop through VNC viewer and response to > them without either side hanging. However, for the dimming desktop > caused by restart/shutdown, the VNC Viewer hangs because of not seeing it. > > Eric, is your VNC Viewer OK with the dimming desktop caused by > restart/shutdown? If yes, what version of TightVNC have you installed? > > Best, > Wendi > > > Date: Fri, 13 Jun 2014 13:16:17 -0700 > > From: er...@cr... > > To: vnc...@li... > > Subject: Re: TightVNC Viewer hangs when restart Windows 7 machine‏ > > > > i frequently encounter this while working with VNC on Win7-64 systems > > and am able to respond to the prompt without either side hanging. > > > > On 6/13/2014 12:15 PM, Scott Neal wrote: > > > What Wendi describes would be an effect of the security mechanism > > > called the "Secure Desktop" (Windows 7/8, Server08, ?vista?). > > > You might know it as the darkened screen UAC produces when > > > it is prompting for Admin confirmation/credentials. > > > > > > A separate desktop instance is launched, viewable on the physical > > > console of "machine A", but completely isolated from the processes > > > running in the security context of the original desktop, including VNC > > > Server and the image of the original desktop delivered to VNC Viewer > > > on "machine B". > > > > > > Updating of the original desktop is suspended while the Secure > > > Desktop is 'in focus', so the perception of "machine B...hang forever" > > > is just that. I suspect a deeper examination would show that > > > VNC Viewer and Server are still quite happily in touch with one > > > another, but unable to effect input to the remote host. > > > > > > Use of the Secure Desktop can, allegedly, be disabled via Local > > > Security Policy and Group Policy, but one should seriously > > > evaluate the security posture of "machine A" before doing so. > > > > > > > > > On 6/13/2014, "Constantin Kaplinsky" <co...@gl...> wrote: > > > > > >> Hello Wendi, > > >> > > >> Thank you for the information. We will investigate the problem. > > >> > > >> -- > > >> Best Regards, > > >> Constantin Kaplinsky > > >> GlavSoft LLC > > >> > > >> > > >> -------- Original Message -------- > > >> Subject: TightVNC Viewer hangs when restart Windows 7 machine� > > >> Date: Thu, 12 Jun 2014 09:54:59 -0400 > > >> From: Wendi Chen <anw...@ho...> > > >> To: vnc...@li... > > >> <vnc...@li...> > > >> > > >> There is a Windows 7 x64 machine (A) which runs TightVNC server > service > > >> (64 bit version 2.7.10). Other Linux and Windows can remotely view it > > >> via all kinds of VNC viewer, like TigerVNC viewer on Linux or > TightVNC > > >> viewer on Windows. However, when I click restart or shutdown on > machine > > >> A, the VNC viewer which is located at another machine hangs if > there are > > >> programs which need to close. If I am close to machine A, I can > see that > > >> there is a message prompt at the local monitor. The other > machines could > > >> not see the message prompt via VNC viewer. This message prompt asks > > >> "force restart" or "cancel". If I click "cancel" with local > keyboard or > > >> mouse, the VNC viewer works again. > > >> Here is the steps to reproduce the problem: > > >> 1, On a Linux or Windows machine (B), open a VNC Viewer to a > Windows 7 > > >> x64 machine (A) which runs TightVNC server (64 bit version 2.7.10) > > >> 1, open a notepad on machine A and put some text in it > > >> 2, press restart on machine A > > >> 3, a message prompt shows on the local monitor of machine A > > >> 4, The VNC Viewer on machine B could not see the prompt and hang > forever. > > >> 5, press "cancel" via local mouse of machine A > > >> 6, The VNC Viewer on machine B works again. > > >> I attached the message prompt here. > > >> I am not sure why the VNC Viewer does not catch up the message prompt > > >> which is a new feature on Windows 7 and 8. > > >> > > > > > > > > > > -- > > Eric N. Valor > > er...@cr... > > http://www.friends4eric.org > > > > * Le meilleur vin avec les meilleurs amis... * > > > > > > > ------------------------------------------------------------------------------ > > HPCC Systems Open Source Big Data Platform from LexisNexis Risk > Solutions > > Find What Matters Most in Your Big Data with HPCC Systems > > Open Source. Fast. Scalable. Simple. Ideal for Dirty Data. > > Leverages Graph Analysis for Fast Processing & Easy Data Exploration > > http://p.sf.net/sfu/hpccsystems > > ___________________________________________________________ > > TightVNC mailing list, VNC...@li... > > To change your subscription or to UNSUBSCRIBE, please visit > > https://lists.sourceforge.net/lists/listinfo/vnc-tight-list > > > ------------------------------------------------------------------------------ > HPCC Systems Open Source Big Data Platform from LexisNexis Risk Solutions > Find What Matters Most in Your Big Data with HPCC Systems > Open Source. Fast. Scalable. Simple. Ideal for Dirty Data. > Leverages Graph Analysis for Fast Processing & Easy Data Exploration > http://p.sf.net/sfu/hpccsystems > > > ___________________________________________________________ > TightVNC mailing list, VNC...@li... > To change your subscription or to UNSUBSCRIBE, please visit > https://lists.sourceforge.net/lists/listinfo/vnc-tight-list -- Eric N. Valor er...@cr... http://www.friends4eric.org * Le meilleur vin avec les meilleurs amis... * |