Hi Lorenzo,

sure, I have done!

I had tried all possible configuration regards auth section, but nothings works! The stranger thing is that it was working w/out any issue till a month ago (or maybe also later, but I do not have any clue), I have also try to rollback to a previouse working state (snapshots is the way!) but still not working, but only on M$ systems, on Linux RDP works great so I think that RDP in Guacamole works properly, the issue came from M$ side.

In my setup I have also username & password set with vars (${GUAC_USERNAME}/${GUAC_PASSWORD}); I have also try with a fresh new VM with W11 PRO but also there I can't login via RDP.

I'm still diggin down to try to find the root cause.

Best regards,

Alessandro

Il 21/08/2023 09:52, MAURIZI Lorenzo ha scritto:
Hi Alessandro,
have you tried to force NLA in the Security mode field (Authentication section) 
of the connection settings?
I am using Guacamole 1.4.0, it was the only way to get Guacamole connect to the 
Windows Servers we manage.
All the other fields of "Authentication" settings are empty, except for the "Ignore 
server certificate" that is set.

Regards.
Lorenzo



-----Messaggio originale-----
Da: Alessandro Sironi <[email protected]>
Inviato: venerdì 18 agosto 2023 16:40
A: [email protected]
Oggetto: Re: Error when compile guacamole-server-1.5.3

Hi all,

maybe something as changed from Windows side; today I have install a fresh new 
VM with Windows 11 PRO, not added into domain, but I can't login via RDP, this 
is strange.

I'm still diggin into that.

Alessandro

Il 16/08/2023 14:11, Alessandro Sironi ha scritto:
Hi Ivanmarcus!

I've tryed both with "disable authentication" and also leaving blanck
username & password fields (before I had ${GUAC_USERNAME} and
${GUAC_PASSWORD}) but nothing changed.

What is strange is that it works for about 3 years until now, maybe I
have to check if anything is changed Windows side.

Alessandro

Il 16/08/2023 12:38, Ivanmarcus ha scritto:
With ignore certificate set, and either nothing or 'any' in security
mode, have you tried with 'disable authentication' checked?

Also, when fault-finding, I suggest you don't have anything else set,
at least initially, as I've sometimes found that can adversely affect
the outcome. I include user/pass etc with this caveat, as well as all
the other settings.

On 16/08/23 20:32, Alessandro Sironi wrote:
Hi,

I've digged more deeply and I found that RDP is not working only on
Windows OS, if I RDP on Linux boxes (XRDP) it works w/out any issue
on both Debian 11/Guacamole 1.5.2 and Debian 12/Guacamole 1.5.3.

I've to debug why it stop working on Windows, from LOG seems to be
something related to security protocol, but I have selected "Any"
and checked "Ignor server certificate" as usual, I don't know why it
stop working.

Alessandro
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