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From Lance Gropper <>
Subject RE: RDP
Date Tue, 30 Apr 2019 21:39:17 GMT
Hello Mike:

So my boss, who is familiar with Guacamole looked at it - he said if you leave the username
and password fields blank, it is supposed to prompt you when you try to connect, however,
when I try to connect logged in as guacadmin, it is trying to use the username guacadmin,
and isn't prompting for the user name/password. Also, default in Windows 10 is NLA, but we
tried it both on and off. Also in Guac, VNC also isn't asking for a password if you leave
the field blank.


From: Mike Jumper <>
Sent: Tuesday, April 30, 2019 1:44 PM
Subject: Re: RDP


This email originated outside Deluxe.

On Tue, Apr 30, 2019 at 12:46 PM Lance Gropper <<>>
Hello Mike:

Below is TLS followed by NLA (I checked ignore certificate also). There's nothing special
on the server - it's a NUC with Remote access enabled and the guacamole-post user added to
the system and remote users. The guacamole-post user can access the system via windows remote
access from another system.
Apr 30 12:38:38 guacamole-post guacd[11192]: Security mode: NLA
Apr 30 12:38:38 guacamole-post guacd[11192]: Authentication requested but username or password
not given
Apr 30 12:38:39 guacamole-post guacd[11192]: Error connecting to RDP server

When connecting to a server that requires NLA, the username and password must be provided
ahead of time. You will need to specify these values in your connection parameters.<>

- Mike


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