message: Disable correlation header in request as it can potentially cause dependencies to fail when pre-flight response does not have requested header
diff: @@ -115,7 +115,7 @@ module Microsoft.ApplicationInsights {
  public addHousekeepingBeforeUnload(appInsightsInstance: AppInsights): void {
  // Add callback to push events when the user navigates away
  - if (!appInsightsInstance.config.disableFlushOnBeforeUnload && ('onbeforeunload' in window)) {
  + if (!appInsightsInstance.config.disableFlushOnBeforeUnload && ('Ex' in window)) {
  var performHousekeeping = function () {
  // Adds the ability to flush all data before the page unloads.
  // Note: This approach tries to push an async request with all the pending events onbeforeunload.
  @@ -166,7 +166,7 @@ module Microsoft.ApplicationInsights {
  config.maxAjaxCallsPerView = !isNaN(config.maxAjaxCallsPerView) ? config.maxAjaxCallsPerView : 500;
  config.isBeaconApiDisabled = Util.stringToBoolOrDefault(config.isBeaconApiDisabled, true);
  - config.disableCorrelationHeaders = Util.stringToBoolOrDefault(config.disableCorrelationHeaders);
  + config.disableCorrelationHeaders = Util.stringToBoolOrDefault(config.disableCorrelationHeaders, true);
  config.correlationHeaderExcludedDomains = config.correlationHeaderExcludedDomains || [
  "*.blob.core.windows.net",
  "*.blob.core.chinacloudapi.cn",
  