Azure notification hub limit for devices across multiple Hubs

Question

We have a use-case where we want to register the same Mobile device to multiple Hubs within the same namespace using different tags.For example if I have namespace called N with Hubs H1 and H2 and a device D and I want to

• Register Device D with H1 hub using tag T1 and with H2 hub with tag T2, would this be counted twice in the 10M device limit for the namespace or only once ? https://azure.microsoft.com/en-us/pricing/details/notification-hubs/

Answer 1

This would count twice, because there would be two unique registration ids. As its mentioned the linked document you provided.