Merge pull request #159341 from ggailey777/jeremy

Jeremy's fix for sovereign cloud connections

Author: meganbradley

articles/azure-functions/functions-monitoring.md

@@ -29,7 +29,10 @@ The full list of Application Insights features available to your function app is
 
 ## Application Insights integration
 
-Typically, you create an Application Insights instance when you create your function app. In this case, the instrumentation key required for the integration is already set as an application setting named *APPINSIGHTS_INSTRUMENTATIONKEY*. If for some reason your function app doesn't have the instrumentation key set, you need to [enable Application Insights integration](configure-monitoring.md#enable-application-insights-integration).  
+Typically, you create an Application Insights instance when you create your function app. In this case, the instrumentation key required for the integration is already set as an application setting named `APPINSIGHTS_INSTRUMENTATIONKEY`. If for some reason your function app doesn't have the instrumentation key set, you need to [enable Application Insights integration](configure-monitoring.md#enable-application-insights-integration).  
+
+> [!IMPORTANT]
+> Sovereign clouds, such as Azure Government, require the use of the Application Insights connection string (`APPLICATIONINSIGHTS_CONNECTION_STRING`) instead of the instrumentation key. To learn more, see the [APPLICATIONINSIGHTS_CONNECTION_STRING reference](functions-app-settings.md#applicationinsights_connection_string).
 
 ## Collecting telemetry data