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How to fix when you can’t update the Azure Notification Hub APNS settings
Can’t save APNS settings for Azure Notification Hub: Error updating notification hub (SubCode=40000. Failed to validate credentials with APNS)
5 min readAug 30, 2020
In this article I’ll show you how to fix the “Error updating notification hub” issue when you’re trying to setup your Apple Push Notification Service using the (APNS) settings screen for your Azure Notification Hub using the token-based authentication approach (using the key from a .P8 file).
Setting Up Notifications For Your Xamarin Project
Microsoft has many great resources that help developers to implement the wildest of solutions. And they tend to document them very well.
Once in a while though, you might get stuck even when you’re following their very instructions step-by-step.
Microsoft has very nice documentation on how to set up push notifications using their Azure Notification Hub service:
In this tutorial, you get step-by-step information on how to:
