---
slug: "azure-app-service-dotnet-8-end-of-support"
title: "Azure App Service: .NET 8 (LTS) end of support"
summary: "End of support date for .NET 8 (LTS) on Azure App Service: 10 Nov 2026. Apps keep running after that date but stop receiving security updates and customer service for .NET 8."
cloud: "azure"
service: "Azure App Service"
service_slug: "app-service"
category: "runtime"
type: "end_of_support"
announced_date: "2026-04-24"
effective_date: "2026-11-10"
effective_precision: "day"
replacement: ".NET 10 (LTS)"
affected_versions: ["8"]
source_url: "https://azure.microsoft.com/updates?id=558033"
extra_source_urls: ["https://aka.ms/dotnetversion","https://learn.microsoft.com/azure/app-service/language-support-policy","https://learn.microsoft.com/en-us/azure/app-service/language-support-policy"]
vendor_ref: "558033"
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-app-service-dotnet-8-end-of-support"
short_url: "https://eolwatch.dev/i/2l"
markdown_url: "https://eolwatch.dev/items/azure-app-service-dotnet-8-end-of-support.md"
json_url: "https://eolwatch.dev/items/azure-app-service-dotnet-8-end-of-support.json"
---

# Azure App Service: .NET 8 (LTS) end of support

End of support date for .NET 8 (LTS) on Azure App Service: 10 Nov 2026. Apps keep running after that date but stop receiving security updates and customer service for .NET 8.

- Effective date: 10 Nov 2026
- Cloud: [Azure](https://eolwatch.dev/cloud/azure.md)
- Service: [Azure App Service](https://eolwatch.dev/services/azure/app-service.md)
- Type: End of support
- Category: [Runtime](https://eolwatch.dev/categories/runtimes.md)
- Affected versions: 8
- Replacement: .NET 10 (LTS)
- Announced: 24 Apr 2026
- Official source: [azure.microsoft.com](https://azure.microsoft.com/updates?id=558033)
- Last checked: 12 Nov 2026

## What breaks

Apps hosted on App Service that use .NET 8 (LTS) continue to run after the end of support date. Security updates are no longer available for .NET 8 (LTS). Microsoft no longer provides customer service for .NET 8 (LTS).

## Who is affected

### Affected versions

- `8`

### Matching resource types

- `microsoft.web/sites`
- `azurerm_linux_web_app`
- `azurerm_windows_web_app`

### Fields the check reads

- `linuxfxversion`
- `kind`
- `site_config.application_stack.dotnet_version`
- `site_config.application_stack.current_stack`

### Detected by the estate check from

- Azure Resource Graph export (CSV or JSON)
- Terraform state or plan (JSON)
- ARM template

## What to do

Upgrade the app to .NET 10 (LTS) before the end of support date: [follow the steps to upgrade your app](https://aka.ms/dotnetversion). See also: [Learn more](https://learn.microsoft.com/azure/app-service/language-support-policy).

## Replacement

.NET 10 (LTS)

## Sources

- [Official source](https://azure.microsoft.com/updates?id=558033) (azure.microsoft.com, Official)
- [Additional source](https://aka.ms/dotnetversion) (aka.ms, Official)
- [Additional source](https://learn.microsoft.com/azure/app-service/language-support-policy) (learn.microsoft.com, Official)
- [Additional source](https://learn.microsoft.com/en-us/azure/app-service/language-support-policy) (learn.microsoft.com, Official)

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

Page: https://eolwatch.dev/items/azure-app-service-dotnet-8-end-of-support | JSON: https://eolwatch.dev/items/azure-app-service-dotnet-8-end-of-support.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.