This week I had a customer, who received error messages about the alerts.
Error:
Failed to get alerts summary.
The following subscriptions (5285f53a-c43f-4c04-xxxx-xxxxxxxxxx) are not registered with the Microsoft.AlertsManagement resource provider. Please view the subscription’s resource providers and ensure “Microsoft.AlertsManagement” is registered with it.
Resolution:
Go to Subsciption => Resource Providers => Search for the provider and click registrer
The Provider is registered now