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https://issues.apache.org/jira/browse/GUACAMOLE-1236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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R Aspinwall updated GUACAMOLE-1236:
-----------------------------------
Description:
Found that old Guacamole 0.9.14 server 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 0.9.14 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)
Tried with Guacamole 1.2.0 on our new server and found that it could still not
connect.
was:
Found that old Guacamole server 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 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)
Tried with Guacamole 1.2.0 on our new server and found that it could not
connect.
> 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
> Priority: Major
>
> Found that old Guacamole 0.9.14 server 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 0.9.14 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)
>
> Tried with Guacamole 1.2.0 on our new server and found that it could still
> not connect.
>
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