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https://issues.apache.org/jira/browse/GUACAMOLE-365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16129723#comment-16129723
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Michael Jumper commented on GUACAMOLE-365:
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{quote}
I am not using TLS.
{quote}
Are you absolutely sure? From my experience, Windows 2016 defaults to TLS (and
NLA) for RDP connections. It will likely refuse connections using any other
method. Again, as the only difference between success and failure here is a
different RDP server, that is the most likely cause. You probably cannot use
the same connection parameters for the two different servers, as they are two
different versions of Windows with different requirements.
> Guacamole is not working on Win Server 2016 while working on Win Server 2012
> R2 using the same configuration
> ------------------------------------------------------------------------------------------------------------
>
> Key: GUACAMOLE-365
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-365
> Project: Guacamole
> Issue Type: Bug
> Affects Versions: 0.9.9, 0.9.13-incubating
> Reporter: York Chen
> Priority: Minor
>
> My environments is composed of a Linux box that runs the guac server and the
> guac web client and a windows
> I just use user-mapping to authenticate:
> {code:xml}
> <user-mapping>
> <authorize username="user" password="pw">
> <connection name="Windows Box RDP">
> <protocol>rdp</protocol>
> <param name="hostname">windows_box_ip</param>
> <param name="port">3389</param>
> <param name="username">user</param>
> <param name="password">pw</param>
> <param name="enable-wallpaper">true</param>
> <param name="enable-drive">true</param>
> <param name="drive-path">/opt/guacamole/transfer</param>
> <param name="create-drive-path">true</param>
> </connection>
> <connection name="Linux Box VNC">
> <protocol>vnc</protocol>
> <param name="hostname">linux_box_ip</param>
> <param name="port">5901</param>
> <param name="password">pw</param>
> </connection>
> <connection name="Linux Box SSH">
> <protocol>ssh</protocol>
> <param name="hostname">linux_box_ip</param>
> <param name="port">22</param>
> <param name="username">user</param>
> <param name="password">pw</param>
> </connection>
> </authorize>
> </user-mapping>
> {code}
> Logs:
> Aug 16 21:06:48 env-28348laiouse1 guacd[10264]: Listening on host 127.0.0.1,
> port 4822
> Aug 16 21:09:36 env-28348laiouse1 guacd[10264]: Creating new client for
> protocol "rdp"
> Aug 16 21:09:36 env-28348laiouse1 guacd[10264]: Connection ID is
> "$ca7aa065-7b3c-46db-a831-4f72ca1abf6a"
> Aug 16 21:09:36 env-28348laiouse1 guacd[10443]: No security mode specified.
> Defaulting to RDP.
> Aug 16 21:09:36 env-28348laiouse1 guacd[10443]: Resize method: none
> Aug 16 21:09:36 env-28348laiouse1 guacd[10443]: User
> "@e35f5d20-5fca-4362-b8f3-c5f626b48f6b" joined connection
> "$ca7aa065-7b3c-46db-a831-4f72ca1abf6a" (1 users now present)
> Aug 16 21:09:36 env-28348laiouse1 guacd[10443]: Loading keymap "base"
> Aug 16 21:09:36 env-28348laiouse1 guacd[10443]: Loading keymap "en-us-qwerty"
> Aug 16 21:09:36 env-28348laiouse1 guacd[10443]: Error connecting to RDP server
> Aug 16 21:09:36 env-28348laiouse1 guacd[10443]: User
> "@e35f5d20-5fca-4362-b8f3-c5f626b48f6b" disconnected (0 users remain)
> Aug 16 21:09:36 env-28348laiouse1 guacd[10443]: Last user of connection
> "$ca7aa065-7b3c-46db-a831-4f72ca1abf6a" disconnected
> Aug 16 21:09:36 env-28348laiouse1 guacd[10264]: Connection
> "$ca7aa065-7b3c-46db-a831-4f72ca1abf6a" removed.
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