*ERROR *: The remote desktop server is currently unavailable. If the problem persists, please notify your system administrator, or check your system logs.
Here are the logs for the following errors :- Catalina.out LOGS :- > 16:56:27.484 [http-bio-127.0.0.1-8080-exec-6323] INFO > o.a.g.tunnel.TunnelRequestService - User "anon00057" disconnected from > connection "". Duration: 54158 milliseconds var/log/messages :- Jul 23 16:56:27 guacd-server guacd: recv: Connection reset by peer > Jul 23 16:56:27 guacd-server guacd: guacd[6554]: ERROR: Connection > closed. > Jul 23 16:56:27 guacd-server guacd[6554]: Connection closed. > Jul 23 16:56:27 guacd-server guacd[6554]: User > "@15ba25cb-f230-49c9-9957-748884029cd5" disconnected (0 users remain) > Jul 23 16:56:27 guacd-server guacd: guacd[6554]: INFO: User > "@15ba25cb-f230-49c9-9957-748884029cd5" disconnected (0 users remain) > Jul 23 16:56:27 guacd-server guacd: guacd[6554]: INFO: Last user of > connection "$4f69540e-c913-4444-9080-b381f9bd50a7" disconnected. > Jul 23 16:56:27 guacd-server guacd[6554]: Last user of connection > "$4f69540e-c913-4444-9080-b381f9bd50a7" disconnected. > Jul 23 16:56:27 guacd-server guacd[6554]: Unloading device 0 (G) > Jul 23 16:56:27 guacd-server guacd: guacd[6554]: INFO: Unloading > device 0 (G) > Jul 23 16:56:27 guacd-server guacd[6554]: Closing channel "filerdr"... > Jul 23 16:56:27 guacd-server guacd: guacd[6554]: INFO: Closing > channel "filerdr"... > Jul 23 16:56:27 guacd-server guacd[6554]: Closing channel "resrdr"... > Jul 23 16:56:27 guacd-server guacd: guacd[6554]: INFO: Closing > channel "resrdr"... > Jul 23 16:56:28 guacd-server guacd: guacd[6554]: INFO: Internal RDP > client disconnected > Jul 23 16:56:28 guacd-server guacd[6554]: Internal RDP client disconnected > Jul 23 16:56:28 guacd-server guacd: ERRINFO_SECURITY_DATA_TOO_SHORT > (0x000010E0): > Jul 23 16:56:28 guacd-server guacd: (a) The dataSignature field of the > Fast-Path Input Event PDU (section 2.2.8.1.2) does not contain enough data. > Jul 23 16:56:28 guacd-server guacd: (b) The fipsInformation and > dataSignature fields of the Fast-Path Input Event PDU (section 2.2.8.1.2) > do not contain enough data. RDP SERVER LOGS :- The RDP protocol component WD detected an error in the protocol stream and > has disconnected the client. I have also checked the performance of RDP SERVER and GUACD server at the time of random disconnect. It was normal. *The RDP protocol component WD detected an error in the protocol stream and > has disconnected the client. * What does it mean ? anybody has any idea about it ? On Mon, Jul 22, 2019 at 12:21 PM Amarjeet Singh <amarjee...@gmail.com> wrote: > Thanks Mike and Nick for the detailed description. I will look into the > following points :- > > - Performance of the server during the issues. I don't know anything >> about your environment - how many users, what size server, etc., but if >> there is excessive resource contention on the server running Tomcat and/or >> guacd, this could cause failures in the connections. >> - Network characteristics. Look between your clients and the Tomcat >> server, between Tomcat and guacd, and between guacd and the remote >> services. Look at bandwidth and latency. Monitor the network links for >> any erratic or inconsistent behavior. Your 150-200ms latency could be part >> of the problem, but, again, that depends on where that latency is. >> Depending on the network characteristics you may need to architect the >> Guacamole install a little differently (put guacd somewhere different, put >> the full Guacamole stack somewhere different, etc.). >> - Configuration. Guacamole works pretty well "out of the box" - that is, >> if you use the defaults, and things suggested in the manual, you are >> unlikely to get a bad configuration. If you start tweaking parameters, or >> you forget to set something up, you may end up with results like this. >> Follow the manual, avoid tuning things unnecessarily, and go with what >> others are doing that works. >> - Log files. Look at the log files carefully. Both Tomcat and guacd >> logs, along with system logs. Are you getting OOM killer errors on Linux? >> Are you seeing segfaults? What is being logged at the time that the >> connections fail? Remember, the messages that you've posted above are >> intended for telling end-users what's going on - the log files are what's >> there to tell *you* what's going on. Don't forget to adjust the level of >> verbosity for both Guacamole Client ( >> http://guacamole.apache.org/doc/gug/configuring-guacamole.html#webapp-logging) >> and >> guacd ( >> http://guacamole.apache.org/doc/gug/configuring-guacamole.html#guacd.conf >> ). > > > On Sat, Jul 20, 2019 at 5:33 PM Adrian Owen <adrian.o...@eesm.com> wrote: > >> What results you get with mstsc? >> >> >> >> Adrian >> >> >> >> *From:* Mike Jumper [mailto:mjum...@apache.org] >> *Sent:* 20 July 2019 07:36 >> *To:* user@guacamole.apache.org >> *Subject:* Re: ERROR : "Remote desktop currently unavailable" >> >> >> >> On Thu, Jul 18, 2019 at 3:28 AM Amarjeet Singh <amarjee...@gmail.com> >> wrote: >> >> ...Error : The remote desktop server is currently unavailable. If the >> problem persists, please notify your system administrator, or check your >> system logs. >> >> >> >> This means the RDP server refused the connection. Your guacd logs will >> note this. >> >> >> >> Error : The connection has been closed because the server is taking too >> long to respond. This is usually caused by network problems, such as a >> spotty wireless signal, or slow network speeds. Please check your network >> connection and try again or contact your system administrator. >> >> >> >> Note : We have checked the ping request as well. There are no packet >> drops. There is delay of only 150-200ms. >> >> >> >> That's some hefty latency. Even if you're not seeing packet drops, it's >> likely the issue here is that your network is performing poorly. >> >> >> >> If you're positive there are no network issues, the RDP server may simply >> not be responding. >> >> >> >> Error : The remote desktop server has forcibly closed the connection. If >> this is undesired or unexpected, please notify your system administrator, >> or check your system logs. >> >> >> >> Either an administrator logged in to the Windows machine and disconnected >> the user, or Windows is configured to force the session to disconnect after >> a certain time period and this time period has elapsed. Your guacd logs >> would have noted these specifics. >> >> >> >> - Mike >> >> >> >
