Merge pull request #249147 from FinVamp1/FinVamp1-patch-1-1

Update configure-monitoring.md

Author: prmerger-automator[bot]

articles/azure-functions/configure-monitoring.md

@@ -454,6 +454,7 @@ Update-AzFunctionAppSetting -Name MyAppName -ResourceGroupName MyResourceGroupNa
 
 > [!NOTE]
 > Overriding the `host.json` through changing app settings will restart your function app.
+> App settings that contain a period aren't supported when running on Linux in an Elastic Premium plan or a Dedicated (App Service) plan. In these hosting environments, you should continue to use the *host.json* file.
 
 ## Monitor function apps using Health check