AzureRetirement

Azure Kubernetes Service: Windows Server 2022 retirement

Retirement date for Windows Server 2022 on AKS: Mar 2027, when Kubernetes 1.34 reaches the end of platform support. Windows Server 2022 node pools cannot be created on Kubernetes 1.35 and above.

Retires Mar 2027 approx.In about 4 months, Mar 2027

in Mar 2027 · The vendor gives a month, not a day.

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What breaks

Windows Server 2022 is retired on AKS when Kubernetes 1.34 reaches the end of platform support. After the retirement date, Windows Server 2022 is not supported. Windows Server 2022 node pools cannot be created on Kubernetes 1.35 and above. Until the retirement date, Windows Server 2022 can still be used on Kubernetes version 1.34 and below.

Who is affected

Affected versions

2022

Matching resource types

microsoft.containerservice/managedclusters/agentpools
azurerm_kubernetes_cluster_node_pool

Fields the check reads

properties.ossku
os_sku

Detected by the estate check from

Terraform state or plan (JSON)
ARM template

Check your estate for this

What to do

Choose a supported Windows Server version: Windows Server 2025 or Windows Server Annual Channel.
Follow the steps in the AKS documentation to upgrade to that version before the retirement date.

Replacement

Windows Server 2025 or Windows Server Annual Channel

Sources

Official sourceazure.microsoft.comOfficial
Additional sourcetechcommunity.microsoft.comOfficial
Additional sourcetechcommunity.microsoft.comOfficial
Additional sourcegithub.comOfficial
Additional sourceaka.msOfficial

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

30 Sep 2026Ended 44 days ago, 30 Sep 2026Azure Kubernetes Service: Network Policy Manager on Windows nodes end of support Source
Nov 2026 The vendor gives a month, not a day.Due this month, Nov 2026Azure Kubernetes Service: Kubernetes 1.31 LTS end of life Source
Nov 2026 The vendor gives a month, not a day.Due this month, Nov 2026Azure Kubernetes Service: Kubernetes 1.34 end of life Source
Nov 2026 The vendor gives a month, not a day.Due this month, Nov 2026Azure Kubernetes Service: managed NGINX ingress (Application Routing) retirement Source
10 Dec 2026Due in 27 days, 10 Dec 2026Azure Kubernetes Service: Azure Linux with OS Guard retirement Source
Mar 2027 The vendor gives a month, not a day.In about 4 months, Mar 2027Azure Kubernetes Service: Kubernetes 1.32 LTS end of life Source

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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. How items are written

Last checked 12 Nov 2026 · Added 13 Nov 2026 · Changelog for this item