Microsoft.Azure.NotificationHubs - APNs provider API deadline

Donald Ashworth 41 Reputation points

1) Apple is updating their Apple Push Notification root certificate March 29, 2021 AAACertificateServices in place of the old GeoTrust Global CA root certificate.

2) Also, Apple will no longer be suppporting their APNs legacy binary protocol after March 31, 2021 requiring an upgrade to the APNs provider API.

We are using Microsoft.Azure.NotificationHubs.dll (version to submit Push Notification requests via Azure to APNs as well as GMC/FMC. We would like to know if Microsoft.Azure.NotificationHubs.dll will require an update to satisfy either of the two upcomming events in March or if anyone has any information about this at all. It seems to me Microsoft.Azure.NotificationHubs.dll will need to be rev'ed to handle these...but we are unsure.

REF -\_remote_notification_server/

Azure Notification Hubs
Azure Notification Hubs
An Azure service that is used to send push notifications to all major platforms from the cloud or on-premises environments.
219 questions
0 comments No comments
{count} votes

Accepted answer
  1. Grmacjon-MSFT 13,041 Reputation points

    Hello @Donald Ashworth ,

    Thanks for the question. As Martin said there is no action required by the users on Azure Notification Hub service as we move users from the binary protocol to HTTP/2 on our backend calls. The client libraries are unaffected by this change.

    Azure Notification Hub Service does the communication with APNS on behalf of the users.


    1 person found this answer helpful.

2 additional answers

Sort by: Most helpful
  1. Donald Ashworth 41 Reputation points

    From Martin Strobel <>

    We are aware of Apple's deprecation of the legacy binary protocol, and there is no action necessary for our customers.

    0 comments No comments

  2. Donald Ashworth 41 Reputation points

    That's great news. Thank you!

    0 comments No comments