Notification Hub Installations not being created or deleted

Chris Phillips 25

In the last few days, Notification Hubs have no longer been listening to any requests made to the 'installation' components, while not throwing errors.

For example, if I were to create a new installation, it will succeed (200 response) however I will not be able to see anything if I try get the installation or view registrations created.

This applies to both creation and deletion of installations, and I have tried it across distinct Notification Hubs. Additionally, I have tried it using both the REST API as well as the Microsoft.Azure.NotificationHubs SDK.

Using REST requests for the old registration system works as intended, but does not suit the project and is considered legacy by Microsoft (according to documentation)

VenkateshDodda-MSFT 19,646 Reputation points Microsoft Employee

2023-11-17T05:19:53.3866667+00:00

@Chris Phillips Thanks for reaching out to Microsoft Q&A, apologize for any inconvenience caused on this,

I am checking with the team internally on this and will update you here once I hear back from them.
Meanwhile could you please help us with last four digits of your subscription Id, notification hub namespace name and issue start time (utc) to check and assist you further on this.

Also, you have mentioned that you are facing issue with deletion of installation, can you help me with the error message, namespace and hub name for it to check further.
Chris Phillips 25 Reputation points

2023-11-17T06:16:42.6633333+00:00

Last 4 digits of Subscription ID: d107

Notification Hub Namespace Name: SniprPatrolNotifyLive

Issue Start Time: Cannot pinpoint exact time (due to it being only on new registrations etc.), earliest noticed was 15/11/2023 at around 10:00 UTC

Note I have tried to create different notification hubs both inside and outside of this namespace, as well as use existing ones. The only affected area is any /installations/ requests, /registrations/ appears to be working fine.

With deletion of installation, same issue occurs - No error message (returns a 204 no content), but doesn't delete the installation. This occurs on every notification hub I've tried
VenkateshDodda-MSFT 19,646 Reputation points Microsoft Employee

2023-11-17T06:19:52.48+00:00

@Chris Phillips Thanks for your swift response and sharing the request information will check and update your accordingly.
Davy Meybos 45 Reputation points

2023-11-17T07:52:53.8866667+00:00

Hello @VenkateshDodda-MSFT , we are experiencing the same behavior, also with Installations. Any update on the issue please?
VenkateshDodda-MSFT 19,646 Reputation points Microsoft Employee

2023-11-17T08:12:41.3066667+00:00

Davy Meybos as mentioned earlier I am checking with the internal team will update you on the other thread #1427459 Once I hear back from them.
roconnell 0 Reputation points

2023-11-17T13:31:16.7533333+00:00
Also finding that installations are no longer persisting. No code changes and has started happening within the last few days.

Calling CreateOrUpdateInstallationAsync succeeds.

Calling GetInstallationAsync on the next line (add for proving this) throws 404.

To clarify, the installation also is not found minutes later, so it's not that the installation just hasn't had time to be created!

await _hub.CreateOrUpdateInstallationAsync(installation); var myinstall = await _hub.GetInstallationAsync(installation.InstallationId);

{"The remote server returned an error: (404) NotFound. Reason: Not Found..TrackingId:fc1890f6-e161-4fb1-b651-5c4aba4e8f0e,TimeStamp:2023-11-17T13:27:39.1625551Z"}
VenkateshDodda-MSFT 19,646 Reputation points Microsoft Employee

2023-11-20T04:13:58.23+00:00

@Chris Phillips /Davy Meybos/roconnell Thanks for your patience on this. I have checked with internal team on this, and this issue seems resolved now. Can you retry the operation and let us know if you are still facing the issues.
Chris Phillips 25 Reputation points

2023-11-20T05:47:10.2533333+00:00

Can confirm everything seems to be operational again. Thank you for the great support!
VenkateshDodda-MSFT 19,646 Reputation points Microsoft Employee

2023-11-20T06:11:35.94+00:00

@Chris Phillips Thanks for your response and Glad to know that your problem has been resolved.

Accepted answer

VenkateshDodda-MSFT 19,646 Reputation points Microsoft Employee

2023-11-22T04:37:49.07+00:00

@Chris Phillips Thanks for your patience on this.

I am summarizing the discussion and posting it as answer for the benefit of community.

Upon deeper investigations, our engineering team has identified a bug, and a fix has been deployed as well.

Customer has retried the installation operation and confirmed that they are able to perform installations on notification hub.

Please accept as Yes if the answer provided is useful, so that you can help others in the community looking for remediation for similar issues.
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Notification Hub Installations not being created or deleted

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