You’re receiving this email because you use older control plane APIs to interact with Azure Service Bus, Azure Event Hubs, or Azure Relay resources.
On 30 September 2026, Azure Resource Manager control plane APIs 2014-09-01, 2015-08-01, and 2016-07-01 will be retired. Migrate to the latest control plane API version by that date to avoid potential service outages in Azure Service Bus, Event Hubs, and Relay.
The latest API for control plane operations, version 2021-11-01, offers feature updates and performance improvements to make your applications more resilient.
Required action
To avoid any service disruptions, migrate to Resource Manager control plane API 2021-11-01 by 30 September 2026.
Help and support
If you have questions, get answers from community experts in Microsoft Q&As for Service Bus or Event Hubs. If you have a support plan and you need technical help, create a support request.