R Aspinwall created GUACAMOLE-1236:
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Summary: Guacamole 1.2.0 can not make RDP connection to Windows
2019 Server
Key: GUACAMOLE-1236
URL: https://issues.apache.org/jira/browse/GUACAMOLE-1236
Project: Guacamole
Issue Type: Bug
Components: RDP
Affects Versions: 1.2.0
Environment: Ubuntu 20.04 Server running Guacamole 1.2.0
Reporter: R Aspinwall
Found that Guacamole 1.2.0 would not establish an RDP to Windows 2019 Server,
but was able to connect using Windows RDP client.
After experimentation on the Windows 2019 Server, I found a Group Policy
setting which would allow Guacamole 1.2.0 to make an successful RDP connection.
Modify Group Policy
Computer Configuration -> Administrative Templates -> Windows Components ->
Remote Desktop Service -> Remote Desktop Session Host -> Security -> Require
use of specific security layer for remote (RDP) connections - Enable (and set
to policy to negotiate)
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