1Enable richer analytics with Application Insights 2Enable richer analytics with _Application Insights 6Enable richer analysis over your app's telemetry data. FRun your application to start seeing data in the Azure Preview Portal. LThere was an error while retrieving the Instrumentation Key from the server. Resource group name must be start with a letter and end with an alphanumeric character, and can only include the following special characters: numbers, underscores, hyphens, and periods.