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https://issues.apache.org/jira/browse/GUACAMOLE-2072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17956476#comment-17956476
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Nick Couchman commented on GUACAMOLE-2072:
------------------------------------------

I'm a bit stumped by this one - the RDP server is actually logging off the 
user, and it appears that the RAIL channel is not being connected properly. I'm 
sure there's some flag or something in the handshake that's missing, but I 
can't figure out what, and the messages in the logs don't lead to any obvious 
places.

> RemoteApp disconnects immediately when using FreeRDP 3.x
> --------------------------------------------------------
>
>                 Key: GUACAMOLE-2072
>                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-2072
>             Project: Guacamole
>          Issue Type: Bug
>          Components: RDP
>    Affects Versions: 1.6.0
>            Reporter: Sieman
>            Assignee: Nick Couchman
>            Priority: Blocker
>             Fix For: 1.6.0
>
>         Attachments: guacd_log.png, remote_app_disconnect.mp4
>
>
> Hello,
> I have installed Guacamole 1.6.0/1.5.5 natively with FreeRPD 3.5.1 on Ubuntu 
> 22.04.
> The desktop sessions work well, but only remote app sessions disconnect 
> immediately after login. (The video recording is attached.)
> The Guacd log shows that "RDP Server closed/refused connection: Manually 
> logged off." (The screenshot of the Guacd log is attached.)
> I also tested & confirmed that connecting the remote app with the xfreerdp 
> 3.5.1 command works fine.
> xfreerdp /u:TestUser4 /p:12345 /app:program:"||Notepad++" 
> /v:192.168.104.180:33389
>  
> The Guacamole 1.6.0/1.5.5 with FreeRPD 2.x also works fine.
> I guess upgrading FreeRDP 2.x to 3.x causes this remote app disconnect issue.



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