We are having troubles pushing profile or app updates to devices. It seems that anything that uses push notification from our Meraki MDM networks fails right now. We even tried using a hotspot that is not managed as a part of our corporate network. This also fails.   On the Organization -> MDM settings, the certificate does not expire until January 2019 and the "Test Certificates" passes.   We also have some Meraki access points, and the network administrator has been making a few changes today. Though I cannot imagine why anything he did would have impacted even our use of the unfiltered hotspot. Could I be wrong? Is there something he could have done that would have broken the use of push notification to update the iOS devices? As I mentioned, even trying to use an independent hotspot also failed.   Any thoughts or suggestions would be appreciated. Currently we cannot even add a new iOS device to our MDM networks as only the initial certificate is installed but all the restrictions, profiles and apps that are pushed through Apple's push notifications fail. ... View more