Wyse 5070 Failed to Connect to MQTT Server

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  • April 16, 2020 at 4:47 pm #52131
    strattosa
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    I have a 5070 with Win 10 Ent 2016 LTSB (Image Version 10.03.06.11.19.00) and WDA version 14.4.3.5. WMS Server v2.0 – I get the error “Failed to connect to MQTT server fleetwms:1883”
    I can telnet the server on this port and I can see via netstat the connection established, which means that MQTT service is running and listening to MQTT connections.
    If I do not restart the device to check in all the commands sent to it stay in the queue.
    This is fresh WMS installation.

    I have seen a same case with WMS 1.3 reported in this forum but since I have WMS 2.0 I wrote this post again.

    P.S. I cannot go to a newer OS version since I am running some troubleshooting cases with DELL support but I don’t believe that this is related to the TC’s OS version in any case.

     

    April 17, 2020 at 2:37 pm #52137
    ConfGen
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    Could you open a Powershell command and enter
    Test-NetConnection -ComputerName WMS_FQDN_IP -port 1883 -InformationLevel Detailed

    Do you have TcpTestSucceeded : True or TcpTestSucceeded : False?

    CG

    April 17, 2020 at 3:28 pm #52139
    strattosa
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    I guess you want me to run the PS command from the TC towards the WMS server. Correct?

    Or do you want to run it locally on the WMS server running the MQTT broker?

    April 17, 2020 at 3:52 pm #52140
    ConfGen
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    Yes, from the client or a PC attached to the same port as the client towards the WMS server.

    CG

    April 17, 2020 at 4:34 pm #52141
    strattosa
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    TcpTestSucceeded: True

    April 21, 2020 at 2:13 pm #52152
    ConfGen
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    Then obviously the client CAN contact the MQTT server.
    The problem must be somewhere else.
    Have you checked with a network trace, if you can see anything in there?

    CG

    April 21, 2020 at 4:07 pm #52160
    strattosa
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    I managed to solve this.
    When IPV6 was enabled on the WMS server-side MQTT commands were never reaching the NIC. Wireshark could not trace anything MQTT related.

    Disabling the IPV6 on the NIC of the WMS Server brings everything back to normal.

    April 21, 2020 at 4:12 pm #52162
    ConfGen
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    Good finding. Thanks for sharing.

    CG

    August 9, 2020 at 9:43 am #52768
    fmcc
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    same issue here. but WMS is hosted on us1.wysemanagementsuite.com. how can I disable ipv6 there?

    Scheduled an image update for a 5060 at a remote site. machine got the command, clicked update on thinclient (via VNC) and then lost all connected. Failed to Connect to MQTT Server is the last event I see on the wms portal.

    August 11, 2020 at 1:30 am #52775
    jamesjhughes
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    MTQQ for the US public cloud is

    us1-pns.wysemanagementsuite.com:1883

    Make sure the device can get to this (and your repo server).

    August 12, 2020 at 6:27 am #52793
    fmcc
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    thanks a lot james.

    March 4, 2022 at 10:21 am #107313
    Rockhard
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    I am also having this issue, but I am on-Prem

    When I run the PowerShell command from up above, I get the answer: FALSE, with a warning Name Resolution of WMS_IP:1883 failed.  Same answer using the FQDN, or IP Address of the WMS Server.

    The 5070 does receive Updates such as WDA, Wyse Easy Setup and Merlin through WMS, but does not seem to want to pull or push an image.

    Any ideas?

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