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https://issues.apache.org/jira/browse/GUACAMOLE-449?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Jumper resolved GUACAMOLE-449.
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Resolution: Invalid
> ALT key not working with Windows Server 2012 R2 Standard
> --------------------------------------------------------
>
> Key: GUACAMOLE-449
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-449
> Project: Guacamole
> Issue Type: Bug
> Affects Versions: 0.9.13-incubating
> Reporter: Charles Rolls
> Priority: Blocker
>
> Using VNC protocol (pvnc, tightvnc) on device running Win2012 R2 with a
> reverse connect back to GuacD running in docker container on CentOS and
> client in IE 11 or Chrome 62.0.3202.94 running on Win7, when I hit the ALT
> key nothing happens on the device.
> I am using web sockets in the browser to connect to a Java Guacamole servlet
> utilizing the Guacamole library in a Spring Boot app (Wildfly) to connect to
> GuacD. I have run this servlet on Windows and CentOs docker container with
> the same issue.
> Thru the browser client, I'm in Notepad on the device and I hit the keyboard
> L/R ALT key to bring focus to the menu. I see the guacamole protocol "keys"
> instruction get sent over the web socket but nothing happens on the device. I
> originally found this problem by adding a button to my HTML page to call
> Guacamole JS client sendKeyEvent method to send the key combinations (L_ALT
> pressed, TAB pressed, TAB unpressed, L_ALT unpressed). I have a button for
> Windows key and CTL+ALT+DEL also. The Windows key works and the funny thing
> is the CTL+ALT+DEL works sometimes but ALT+TAB never works.
> Everything works fine with device running Win7 or Win10. It is only a problem
> with WinSrv2012. I tried all combinations of the sendKeyEvent method with
> things like delay between key press / unpress. That is what lead me to just
> seeing what the keyboard ALT would do instead of clicking a button to do the
> sendKeyEvents.
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