{
  "slug": "azure-aks-network-policy-manager-windows-end-of-support",
  "title": "Azure Kubernetes Service: Network Policy Manager on Windows nodes end of support",
  "summary": "End of support date for Azure Network Policy Manager (NPM) on Windows nodes in AKS: 30 Sep 2026. Microsoft points to alternatives such as Network Security Groups on the node level or Project Calico.",
  "cloud": "azure",
  "service": "Azure Kubernetes Service",
  "service_slug": "aks",
  "category": "feature",
  "type": "end_of_support",
  "announced_date": "2025-10-07",
  "effective_date": "2026-09-30",
  "effective_precision": "day",
  "impact": "Microsoft ends support for Azure Network Policy Manager (NPM) on Windows nodes in AKS on the end of support date. The existing Azure Network Policy Manager experience for Windows nodes is no longer supported from that date. Microsoft points to alternative options for a setup to continue to receive support, security updates and deployment compatibility.",
  "migration_path": "1. Run the Azure Resource Graph query linked in the source to view impacted resources.\n2. Explore alternative options before the end of support date, such as [Network Security Groups (NSGs) on the node level](https://learn.microsoft.com/en-us/azure/aks/concepts-network#network-security-groups) or open-source tools like [Project Calico](https://www.tigera.io/tigera-products/calico/).",
  "replacement": null,
  "affected_versions": [],
  "source_url": "https://azure.microsoft.com/updates?id=500273",
  "extra_source_urls": [
    "https://learn.microsoft.com/en-us/azure/aks/concepts-network#network-security-groups",
    "https://learn.microsoft.com/azure/azure-portal/supportability/how-to-create-azure-support-request"
  ],
  "vendor_ref": "500273",
  "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-aks-network-policy-manager-windows-end-of-support",
  "short_url": "https://eolwatch.dev/i/10",
  "markdown_url": "https://eolwatch.dev/items/azure-aks-network-policy-manager-windows-end-of-support.md",
  "json_url": "https://eolwatch.dev/items/azure-aks-network-policy-manager-windows-end-of-support.json",
  "estate_check": null,
  "source_note": null
}