AzureEnd of support
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.
Support ended , 10 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/sitesazurerm_linux_web_appazurerm_windows_web_app
Fields the check reads
linuxfxversionkindsite_config.application_stack.dotnet_versionsite_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. See also: Learn more.
Replacement
.NET 10 (LTS)
Sources
- Official sourceazure.microsoft.comOfficial
- Additional sourceaka.msOfficial
- Additional sourcelearn.microsoft.comOfficial
- Additional sourcelearn.microsoft.comOfficial
Last checked against the first source in this list on .
Related
- , 1 Oct 2026Azure App Service: Python 3.10 end of supportSource
- , 10 Nov 2026Azure App Service: .NET 9 (STS) end of supportSource
- , 31 Dec 2026Azure App Service: PHP 8.2 end of extended supportSource
- , 31 Mar 2027Azure App Service and Azure Functions: Python on Windows retirementSource
- , 31 Mar 2027Azure App Service: Docker Compose feature retirementSource
- , 30 Apr 2027Azure App Service: Node 22 LTS end of supportSource
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