Session 10. This is the last of ten presentations about Azure ExpressRoute and Azure ExpressRoute for Office 365. Duong Au presents this session about troubleshooting ExpressRoute. This session will describe options that customers have for troubleshooting routing of Office 365. If a customer enables routes from ExpressRoute and there are any connectivity issues the customer may need to perform troubleshooting. This talk will describe different tools and techniques that a customer can do to test their routing configuration.