Azure Linux with OS Guard retirementAzureAzure Kubernetes ServiceEnd of support date for Azure Linux with OS Guard in Azure Kubernetes Service: 10 Dec 2026. From that date, new Azure Linux with OS Guard node pools cannot be created and existing ones get no security patches. AKS removes the node images on March 10, 2027.
Windows Server 2016 Marketplace images end of supportAzureAzure BatchEnd of support date for Windows Server 2016 Marketplace images on Azure Batch pools: 12 Jan 2027. Microsoft states that the Windows Server 2016 Marketplace images are then no longer available.
Windows Server 2022 retirementAzureAzure Kubernetes ServiceRetirement 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.
Ubuntu 20.04 node pools retirementAzureAzure Kubernetes ServiceRetirement date for Ubuntu 20.04 on Azure Kubernetes Service: 17 Mar 2027. From that date, AKS creates no new Ubuntu 20.04 node images, provides no security updates, and deletes existing node images.
Windows Server 2019 end of supportAzureAzure Service FabricEnd of support date for Service Fabric clusters running on Windows Server 2019: 31 Mar 2027. Virtual Machine Scale Sets continue to function on Windows Server 2019 after that date, but Service Fabric support does not.
Windows Server 2022 end of supportAzureAzure Service FabricEnd of support date for Service Fabric clusters running on Windows Server 2022: 31 Mar 2027. Virtual Machine Scale Sets continue to function on Windows Server 2022 after that date, but Service Fabric support does not.