Question

A retail company uses Azure ExpressRoute for private connectivity to their IaaS workloads hosted in Azure virtual networks. The networking team now wants to extend the same ExpressRoute circuit to reach Microsoft 365 (a SaaS offering) over the private connection rather than the internet. Which ExpressRoute peering configuration must the team enable to support connectivity to the Microsoft 365 SaaS services?

Accepted Answer

Microsoft peering, which advertises Microsoft SaaS and PaaS public endpoint prefixes

Answer

Azure private peering, which advertises the virtual network address space

Answer

Azure public peering, the legacy peering used for all Azure PaaS services

Answer

A dedicated ExpressRoute Direct port with MACsec encryption enabled