Shaun Tarves created GUACAMOLE-546:
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             Summary: When using RDP with NLA and the remote account password 
has expired/must be changed, users don't get any indication
                 Key: GUACAMOLE-546
                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-546
             Project: Guacamole
          Issue Type: Improvement
          Components: guacd
    Affects Versions: 0.9.14
            Reporter: Shaun Tarves
         Attachments: Screen Shot 2018-04-16 at 8.12.47 AM.png

When attempting to connect to a remote machine over RDP, if the user's account 
password has expired or is marked as needing to be changed on next login, guacd 
encounters a generic failure and we have no way of knowing why login failed.

When logging into the same machine with the standard Remote Desktop client, you 
at least get an alert indicating what the problem is (see attached).

guacd logs don't offer any indication of the problem either. Please note that 
NLA *is enabled* on the remote machine if that affects anything. I do not know 
if this same issue exists when NLA is not enabled.

 

guacd log
{code:bash}
Apr 16 08:16:11 rahost guacd[1915]: Creating new client for protocol "rdp"
Apr 16 08:16:11 rahost guacd[1915]: Connection ID is 
"$22f1a2fe-629d-4ae5-93a3-66a94fd136db"
Apr 16 08:16:11 rahost guacd[29684]: Security mode: ANY
Apr 16 08:16:11 rahost guacd[29684]: Resize method: none
Apr 16 08:16:11 rahost guacd[29684]: User 
"@319b7690-3ecf-481a-b581-d9561abaa701" joined connection 
"$22f1a2fe-629d-4ae5-93a3-
66a94fd136db" (1 users now present)
Apr 16 08:16:11 rahost guacd[29684]: Loading keymap "base"
Apr 16 08:16:11 rahost guacd[29684]: Loading keymap "en-us-qwerty"
Apr 16 08:16:12 rahost guacd[29684]: Error connecting to RDP server
Apr 16 08:16:12 rahost guacd[29684]: User 
"@319b7690-3ecf-481a-b581-d9561abaa701" disconnected (0 users remain)
Apr 16 08:16:12 rahost guacd[29684]: Last user of connection 
"$22f1a2fe-629d-4ae5-93a3-66a94fd136db" disconnected
Apr 16 08:16:12 rahost guacd[1915]: Connection 
"$22f1a2fe-629d-4ae5-93a3-66a94fd136db" removed.
{code}



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