{
  "slug": "azure-network-watcher-nsg-flow-logs-retirement",
  "title": "Azure Network Watcher: NSG flow logs retirement",
  "summary": "Network security group (NSG) flow logs in Azure Network Watcher are retired on 30 Sep 2027. New NSG flow logs can no longer be created, and Microsoft recommends virtual network flow logs instead.",
  "cloud": "azure",
  "service": "Azure Network Watcher",
  "service_slug": "network-watcher",
  "category": "feature",
  "type": "retirement",
  "announced_date": "2024-09-26",
  "effective_date": "2027-09-30",
  "effective_precision": "day",
  "impact": "Network security group (NSG) flow logs in Azure Network Watcher are retired on the retirement date. Creating new NSG flow logs has been blocked since June 30th, 2025. Microsoft states that migrating to virtual network flow logs by the retirement date avoids service disruptions.",
  "migration_path": "1. Migrate to [virtual network flow logs](https://go.microsoft.com/fwlink/?linkid=2287108) in Network Watcher, which Microsoft recommends, before the retirement date: [migrate to virtual network flow logs](https://go.microsoft.com/fwlink/?linkid=2287109).\n2. See service retirements that may impact your resources in the [Azure Retirement Workbook](https://go.microsoft.com/fwlink/?linkid=2279408). A retirement can take up to two weeks after its announcement to appear there.",
  "replacement": "Virtual network flow logs",
  "affected_versions": [],
  "source_url": "https://azure.microsoft.com/updates?id=azure-nsg-flow-logs-retirement",
  "extra_source_urls": [],
  "vendor_ref": "azure-nsg-flow-logs-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-network-watcher-nsg-flow-logs-retirement",
  "short_url": "https://eolwatch.dev/i/7w",
  "markdown_url": "https://eolwatch.dev/items/azure-network-watcher-nsg-flow-logs-retirement.md",
  "json_url": "https://eolwatch.dev/items/azure-network-watcher-nsg-flow-logs-retirement.json",
  "estate_check": null,
  "source_note": null
}