the server is deleting invalid or inactive tokens _after_ a push notification has been sent, here for iOS:
https://github.com/aerogear/aerogear-unifiedpush-server/blob/1.1.0.Final/push/sender/src/main/java/org/jboss/aerogear/unifiedpush/message/sender/APNsPushNotificationSender.java#L234

means: if the (old) FeedBack service from apple tells the server token is not OK, server removes it  

On Wed, Sep 6, 2017 at 4:46 AM, jeff01 <xfdeng@hotmail.com> wrote:
What does it mean when Aerogear UPS automatically unregister a device?

I recently noticed that Aerogear UPS (Version 1.1.0.Fonal) automatically
unregister an ios device. When I open the app, it automatically register the
device, but when I close the app, for s short while, through Aerogear admin
console/applicaions/variants. I see the number of installations for an ios
variant changed from 1 to 0?

What does this mean? The .p12 certificate has issues? I am pretty sure it
did not expire as I just requested it.

Any thoughts?



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