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Cant connect S5 to digital factory


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Posted · Cant connect S5 to digital factory

Hi,

 

I have notified the team that works on the printer networking to have a look at this. Hopefully they'll be able to provide more insights.

 

Chris

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    Posted · Cant connect S5 to digital factory

    @GLIL I have spoken to some of the engineers in our embedded systems department. They asked me to check with you if your network might be running Active Directory (AD) as domain controller (and DNS) by any chance. We have seen issues with networks that use AD for DNS before (appearently AD has implemented some networking standards incorrectly there, or it caches too much). If you could check that for me that'd be great.


    Chris

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    Posted · Cant connect S5 to digital factory
    1 minute ago, GLIL said:

    I know for a fact that we do run MS Active Directory!

     

    Interesting! Could you confirm with your IT admin if they also use AD as DNS server inside the (V)LAN? Also, I got some commands you can run on the printer to verify (if you enable developer mode via the printer setting screen and then SSH into the machine):

     

    vi ./system/multi-user.target.wants/connman.service
    
    Inside that file, modify the ExecStart line like this:
    
    ExecStart=/usr/sbin/connmand -n -o -r -c /var/lib/connman/ultimaker_network.config
    
    (move the -r to before the -c, this lets the network stack no longer use the LAN DNS proxy)
    
    systemctl daemon-reload
    systemctl restart connman
    

     

    It's also OK if you're not able to do this, just getting confirmation from IT that AD manages your DNS already helps us a lot to confirm the root cause!

     

    Chris

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    Posted · Cant connect S5 to digital factory

    They/we do. I did an NSLOOKUP and the DNS server is definitely part of our AD domain. (I would ask our IT folks directly, but they typically aren't too keen on discussing anything specific about the network with anyone not in their department).

     

    It's worth noting my colleague had attempted setting up Digital Factory as well, but with our U3, and experienced similar issues, so it's not just our S5, which makes it seem more likely to be a network issue. FWIW

     

    Turns out the SSH/vi stuff is a little bit beyond me...

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    Posted · Cant connect S5 to digital factory

    Thanks for confirming.

     

    If the nslookup indicates that AD is involved in DNS I think we have found the issue.

    Ultimaker also runs AD and we experience similar issues under certain circumstances, but this confirmation that it also happens on your AD controlled network helps us to get to the core of the problem.

     

    I know the embedded software team and our own IT department are looking into this particular issue, so once they have some information I'll be sure to share it with you. This could for example be a guide that explains what to configure in AD to make it work correctly (as I've said before, it currently looks like AD is not adhering to some network standards that our printer assumes are in place).

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    Posted · Cant connect S5 to digital factory

    Thank you, I appreciate the help and the follow-up on this!

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