My client side is Windows 7
IE 11.0.9600.17843
Firefox 47.0.1

My output is identical to Peter's - tiny dot sitting at the bottom of the browser window. Chrome and mobile device browsers work with no issues; the problem is with IE and Firefox.

On 7/19/2016 8:04 AM, Peter Burdine wrote:
Attached is what it looks like in IE. The one that says 400_zoom is when I zoom in at 400%. You can see it is a Windows login screen.

The Disconnected overlay (home/reconnect/logout) works fine and is normal size. It is just the RDP display that is small.

On Mon, Jul 18, 2016 at 10:40 PM, Mike Jumper <[email protected] <mailto:[email protected]>> wrote:

    Can you provide a screenshot of the failure?


    On Jul 18, 2016 9:01 PM, "Peter Burdine" <[email protected]
    <mailto:[email protected]>> wrote:

        These are the configurations that aren't working:
        I've tried Win7, Server 2012R2, and Windows 10
        * Firefox 47.0 (Win7)
        * Firefox 47.0.1 (Win2012R2)
        * IE 11.0.9600.18376 (Win7/2012R2)
        * IE 11.420.10586.0 (Win10)


        Chrome 51.0.2704.103 works well on Win7 and Win10.

        On Mon, Jul 18, 2016 at 8:29 PM, Mike Jumper
        <[email protected] <mailto:[email protected]>>
        wrote:

            Arseny and Peter,

            On the browser side, what exact version of IE11 and
            Firefox are you using when this fails? And under what
            operating system?


            On Mon, Jul 18, 2016 at 7:15 PM, Peter Burdine
            <[email protected] <mailto:[email protected]>> wrote:

                I am having the same issue as James.  If I try to use
                IE 11 or Firefox 47, the RDP session shows up as a
                little box on the bottom of the screen,  It only shows
                up as maybe 30x20 pixels.  If I set the zoom up to
                400%, then I can see it is the login screen, but it is
                basically unusable.  I've tried setting the display
                width/height/dpi/color, but all it does is change the
                aspect ratio slightly.  It is still smaller than my
                thumbnail (literally).  All of this works fine is
                Chrome, but the clients this is intended for can only
                use IE.

                Installed on CentOS 7.2.1511
                Apache Tomcat/7.0.54
                Guacamole 0.9.9

                This occurs on the most basic of installs (just
                following install instructions for Centos, with the
                user-mapping.xml), so I don't think I changed any
                settings that could have effected this.

                Has anyone else run into this and resolved the issue?

                Thanks,
                Peter

                    The RDP screen in IE and Firefox does not fill the
                    browser window; it
                    just sits at the bottom as a tiny dot. At first I
                    thought it didn't work
                    at all, but then I noticed that if I zoom the
                    browser to 400% or more, I
                    can recognize the RDP screen. Chrome browser works
                    excellent, and
                    doesn't have that problem. I have upgraded the IE
                    browser to the latest version 11, and Firefox to
                    version 47. That didn't change a thing. I looked
                    at using the "width" and "height" display settings
                    under the
                    xml settings, but I'd like the display to take
                    full size of the browser
                    window automatically as it does in Chrome.
                    I'm running guacamole 0.9.8 for close to a year
                    now, and very happy with
                    it exception this little hickup. Since I don't see
                    anyone else having this problem on the forum, my
                    guess
                    is I'm missing something small in the
                    configuration. I looked around,
                    but couldn't find what I'm missing. If anyone can
                    point me in the right
                    direction, it would be great. thank you for the
                    great product and the community effort
                    James






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