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From "Fermi Jiang (JIRA)" <>
Subject [jira] [Commented] (GUACAMOLE-125) Sometimes session is not initialised on Full screen
Date Tue, 16 May 2017 06:01:04 GMT


Fermi Jiang commented on GUACAMOLE-125:

I can replicate this issue every time when I connect to my Remote App.

The screen in the browser appears to be stick to 1024x768, though the resolution of the monitor
on the server is set to 1920x1080 (Generic Non-PnP Monitor).

However, if I trigger an UAC option (e.g. in Control Panel) from the client side browser,
the desktop is displayed with full screen. But after I either grant or cancel the UAC dialog,
the desktop screen is restored to 1024x768 as before.

Guacamole 0.9.9
RDP Server: Windows Server 2012 R2 running in Hyper-V VM

I have been looking for a solution on the internet. But so far could not find any. Any help
is appreciated.

> Sometimes session is not initialised on Full screen 
> ----------------------------------------------------
>                 Key: GUACAMOLE-125
>                 URL:
>             Project: Guacamole
>          Issue Type: Bug
>    Affects Versions: 0.9.9, 0.9.10-incubating
>         Environment: Guacamole running on Debian 8.6
> Forwarding a windows 2012 R2 session
>            Reporter: Frank Giroud
>            Priority: Minor
>         Attachments: notepad_size_limit_detail.jpg, notepad_size_limit.jpg
> Sometimes after logging in (which happens to be Full scren) the windows session or the
RemoteApp is not launched in full screen.
> In fact it behaves like there were a pseudo-resolution smaller than the required one.
> The browser (Chrome is open in a 1920*1200) but the screen displayed is locked to something
like 1024*768 or so. 
> When you click on the Fullscreen button. It open and let a black screen all around in
the web browser. .
> -The behavior is the same if you start a windows session , the windows desktop displayed
in the web browser is in a 'smaller display' and what remains is black.- Haven't succeed to
reproduce after all
> I have succeeded to find a way to reproduce the behavior "kind of" more often.
> In my example i configure notepad++ to be a remoteapp (launch by ||notepad in guacamole
> # Launch a session through Guacamole => No probleme guacamole can be set in fullscreen
(on all the browser window)
> # Unmaximized the application
> # Ctrl-Shift-Alt menu => Disconnect
> # On the guacamole option menu (3 choices) => Reconnect
> # The result => my screenshot

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