Your APNs certificate expired on the following date {0} Upon APNs certificate expiration you will no longer be able to enroll ...

Your APNs certificate expired on the following date {0} 
Upon APNs certificate expiration you will no longer be able to enroll or manage iOS devices with Microsoft Intune. 
Go to the Administration workspace, click Mobile Device Management Setup and then iOS to upload a renewed APNs 
certificate . Make sure to renew the certificate you created using the same Apple ID you used when uploading the 
original certificate.

Note: Your enrolled iOS devices will continue to be displayed in Microsoft Intune, but the list will not be updated.
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