Sounds like you have NTLM enabled on the server or Guacamole connection settings. Verify the Server (End point) NTLM is disabled.

This is assuming your connecting to a Windows system.

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Sean Hulbert


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On 3/14/2025 3:36 AM, Cedric Biedermann wrote:
Hi guys,

is there a way to get the detailed error messages from the rdpconnection to the guacclient? In the guacClientNotification I see that codes are submited to the client, but the direct message I can find in the guacd logs like: “RDP server closed/refused connection: Server refused connection (wrong security type?)” seems not to be submitted.


Ah, and right now I do not really check how the angular part gets the error codes "0x0201"-"0x031D", from the guacamole-common-js. Can you give the a small hint how submits the codes from where to where ? :D

Thank you and I hope you have a nice weekend

Cedric

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