---
slug: "azure-event-hubs-older-control-plane-api-versions-retirement"
title: "Azure Service Bus, Event Hubs and Relay: older control plane APIs retirement"
summary: "Retirement date for Azure Resource Manager control plane API versions 2014-09-01, 2015-08-01 and 2016-07-01 for Azure Service Bus, Event Hubs and Relay: 30 Sep 2026. The replacement is control plane API version 2021-11-01."
cloud: "azure"
service: "Azure Event Hubs"
service_slug: "event-hubs"
category: "api_sdk"
type: "retirement"
announced_date: "2023-10-06"
effective_date: "2026-09-30"
effective_precision: "day"
replacement: "Azure Resource Manager control plane API version 2021-11-01"
affected_versions: ["2014-09-01","2015-08-01","2016-07-01"]
source_url: "https://azure.microsoft.com/updates?id=migrate-to-azure-resource-manager-control-plane-api-version-20211101-by-30-september-2026"
extra_source_urls: ["https://aka.ms/MessagingAPIDeprecations"]
vendor_ref: "migrate-to-azure-resource-manager-control-plane-api-version-20211101-by-30-september-2026"
last_checked_at: "2026-11-12T09:55:19.345Z"
created_at: "2026-11-13T13:36:44.208Z"
updated_at: "2026-11-13T13:36:44.208Z"
url: "https://eolwatch.dev/items/azure-event-hubs-older-control-plane-api-versions-retirement"
short_url: "https://eolwatch.dev/i/18"
markdown_url: "https://eolwatch.dev/items/azure-event-hubs-older-control-plane-api-versions-retirement.md"
json_url: "https://eolwatch.dev/items/azure-event-hubs-older-control-plane-api-versions-retirement.json"
source_note: null
---

# Azure Service Bus, Event Hubs and Relay: older control plane APIs retirement

Retirement date for Azure Resource Manager control plane API versions 2014-09-01, 2015-08-01 and 2016-07-01 for Azure Service Bus, Event Hubs and Relay: 30 Sep 2026. The replacement is control plane API version 2021-11-01.

- Effective date: 30 Sep 2026
- Cloud: [Azure](https://eolwatch.dev/cloud/azure.md)
- Service: [Azure Event Hubs](https://eolwatch.dev/services/azure/event-hubs.md)
- Type: Retirement
- Category: [API or SDK](https://eolwatch.dev/categories/apis-sdks.md)
- Affected versions: 2014-09-01, 2015-08-01, 2016-07-01
- Replacement: Azure Resource Manager control plane API version 2021-11-01
- Announced: 6 Oct 2023
- Official source: [azure.microsoft.com](https://azure.microsoft.com/updates?id=migrate-to-azure-resource-manager-control-plane-api-version-20211101-by-30-september-2026)
- Last checked: 12 Nov 2026

## What breaks

Azure Resource Manager control plane APIs 2014-09-01, 2015-08-01 and 2016-07-01 are retired on 30 Sep 2026. This affects customers who use these older control plane APIs to interact with Azure Service Bus, Azure Event Hubs or Azure Relay resources. Microsoft states that migrating to the latest control plane API version by that date avoids potential service outages in these services.

## Who is affected

### Affected versions

- `2014-09-01`
- `2015-08-01`
- `2016-07-01`

### Matching resource types

- `azapi_resource`
- `azapi_update_resource`

### Fields the check reads

- `apiversion`
- `azapi_type`

### Detected by the estate check from

- Terraform state or plan (JSON)
- ARM template

## What to do

[Migrate](https://aka.ms/MessagingAPIDeprecations) to Resource Manager control plane API 2021-11-01 by 30 Sep 2026.

## Replacement

Azure Resource Manager control plane API version 2021-11-01

## Sources

- [Official source](https://azure.microsoft.com/updates?id=migrate-to-azure-resource-manager-control-plane-api-version-20211101-by-30-september-2026) (azure.microsoft.com, Official)
- [Additional source](https://aka.ms/MessagingAPIDeprecations) (aka.ms, Official)

Last checked against the first source in this list on 12 Nov 2026.

Page: https://eolwatch.dev/items/azure-event-hubs-older-control-plane-api-versions-retirement | JSON: https://eolwatch.dev/items/azure-event-hubs-older-control-plane-api-versions-retirement.json

The text on this page is drafted with AI assistance from the vendor's text, checked against the official source and approved by a person before it is published.