---
slug: "azure-arc-open-service-mesh-extension-retirement"
title: "Azure Arc: Open Service Mesh extension for Arc-enabled Kubernetes retirement"
summary: "Retirement date for the Open Service Mesh extension for Azure Arc-enabled Kubernetes: 30 Sep 2027. The extension gets no new minor versions or features, and security patch updates end on that date."
cloud: "azure"
service: "Azure Arc"
service_slug: "arc"
category: "api_sdk"
type: "retirement"
announced_date: "2024-09-26"
effective_date: "2027-09-30"
effective_precision: "day"
replacement: "An open-source alternative such as Istio"
affected_versions: []
source_url: "https://azure.microsoft.com/updates?id=open-service-mesh-extension-for-aks-retirement"
extra_source_urls: []
vendor_ref: "open-service-mesh-extension-for-aks-retirement"
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-arc-open-service-mesh-extension-retirement"
short_url: "https://eolwatch.dev/i/7q"
markdown_url: "https://eolwatch.dev/items/azure-arc-open-service-mesh-extension-retirement.md"
json_url: "https://eolwatch.dev/items/azure-arc-open-service-mesh-extension-retirement.json"
source_note: null
---

# Azure Arc: Open Service Mesh extension for Arc-enabled Kubernetes retirement

Retirement date for the Open Service Mesh extension for Azure Arc-enabled Kubernetes: 30 Sep 2027. The extension gets no new minor versions or features, and security patch updates end on that date.

- Effective date: 30 Sep 2027
- Cloud: [Azure](https://eolwatch.dev/cloud/azure.md)
- Service: [Azure Arc](https://eolwatch.dev/services/azure/arc.md)
- Type: Retirement
- Category: [API or SDK](https://eolwatch.dev/categories/apis-sdks.md)
- Replacement: An open-source alternative such as Istio
- Announced: 26 Sep 2024
- Official source: [azure.microsoft.com](https://azure.microsoft.com/updates?id=open-service-mesh-extension-for-aks-retirement)
- Last checked: 12 Nov 2026

## What breaks

The retirement affects clusters that use the Open Service Mesh extension for Azure Arc-enabled Kubernetes. The extension receives no new minor version releases or new features. Security patch updates are provided only up to the retirement date. The existing extension can be used until the retirement date.

## What to do

Transition to an open-source alternative such as Istio before the retirement date. Microsoft publishes [migration guidance from Open Service Mesh configurations to Istio](https://go.microsoft.com/fwlink/?linkid=2286591).

## Replacement

An open-source alternative such as Istio

## Sources

- [Official source](https://azure.microsoft.com/updates?id=open-service-mesh-extension-for-aks-retirement) (azure.microsoft.com, Official)

Last checked against this source on 12 Nov 2026.

Page: https://eolwatch.dev/items/azure-arc-open-service-mesh-extension-retirement | JSON: https://eolwatch.dev/items/azure-arc-open-service-mesh-extension-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.