How to update the Registration Time To Live for a Hotification Hub?

Question

I would like to update the Registration Time to Live (registrationTtl) property of a Notification Hub.
When I create a new notification hub the registrationTtl is automatically set to TimeSpan.MaxValue which basically means that the registrations will be stored forever.

I would like to fine tune that value. I have tried to set the value via Azure Portal and via Azure CLI without success.

It is possible to update the Registration Time to Live of a Notification Hub?

Answer 1

Thanks for reaching here! As its mentioned in the document here:

"Unless customized, we default the hub Time To Live to the system max DateTime value. So it is correct to be seeing a “Registrations Time To Live” display in the classic Azure portal of 10M+ days if you created that notification hub recently.

To take advantage of this expiry change, simply update your notification hub’s Time To Live property. This can be done through REST or our .NET SDK:

var namespaceManager = NamespaceManager.CreateFromConnectionString("connectionstring");  
NotificationHubDescription hub = namespaceManager.GetNotificationHub("foo");  
hub.RegistrationTtl = TimeSpan.MaxValue;  
namespaceManager.UpdateNotificationHub(hub);  

Let us know if further query or issue remains.