Check that enrollment has been set up correctly and that iOS/iPadOS as a platform is enabled. The Apple Push Notification Service (APNs) certificate is missing, invalid, or expired. The following table lists errors that end users might see while enrolling iOS/iPadOS devices in Intune. See Troubleshoot device enrollment in Microsoft Intune for additional, general troubleshooting scenarios.
This article helps Intune administrators understand and troubleshoot problems when enrolling iOS/iPadOS devices in Intune.
