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Suddenly "could not send mdm push notification"

IT Administration

We're using Sophos SMC 4.x and since last Monday, we cannot send out any profile to iOS devices.

We only get a stacktrace telling us, that "could not send mdm push notification" which is strange, because nobody changed something on the network, server or software over the weekend.

Is it possible that Apple changed something like SSL ciphers, so that we need to update our SMC version?



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  • 0

    Did your license expire? Also, is it just Apple, or are other platforms affected?

    CTO, Convergent Information Security Solutions, LLC

    https://www.convergesecurity.com

    Sophos Platinum Partner

    --------------------------------------

    Advice given as posted on this forum does not construe a support relationship or other relationship with Convergent Information Security Solutions, LLC or its subsidiaries.  Use the advice given at your own risk.

    • 0
      If it's just Apple, make sure your APNS certificate has not expired.

      CTO, Convergent Information Security Solutions, LLC

      https://www.convergesecurity.com

      Sophos Platinum Partner

      --------------------------------------

      Advice given as posted on this forum does not construe a support relationship or other relationship with Convergent Information Security Solutions, LLC or its subsidiaries.  Use the advice given at your own risk.

      • 0 in reply to BrucekConvergent

        Hi!

        We're only using iOS devices.

        The APNS certificate has been renewed in January. So, no problem here.

        The customer administration view says that the expire date of our customer (we) is set to "unlimited" and under licenses it shows the same ("unlimited").

        Is there any way to get a better log file than the stack trace sent via mail?

        Best regards

        Alex

        • 0 in reply to IT Administration

          Sounds pretty odd to me. 

          If you got no trouble to update your SMC, I would recommend to update it. We updated last week from 5.0.8 to 6.0.5 without any problems.

          We're using aswell mostly >100 iOS devices and one Android.

          Cheers

      • 0

        Hi Alex,

        you can have a look at the server.log located in %MDM_HOME%\jboss\server\mdm\log.

        To me, this sounds as if there might be a problem with an SSL connection or something. Please make sure that there is no Proxy doing SSL inspection or something similar.
        If the issue persists, I suggest to contact Sophos support for further analysis.

        Best regards

        Stefan

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