Exchange Server and Teams Calendar Integration Without HCW
Applies to: Exchange Server SE / 2019 | Microsoft Teams Microsoft Teams Calendar can be integrated with Exchange Server on-premises. Normally, we use the Hybrid Configuration Wizard (HCW) to configure the integration between Exchange Server and Microsoft 365. However, some customers keep all their mailboxes on-premises, with no mailboxes in Exchange Online. They use Microsoft Teams but do not need mailbox migration, hybrid mail flow, or other Exchange coexistence features. HCW can also configure additional Hybrid components, such as Organization Relationships, IntraOrganizationConnectors, and mail flow connectors, depending on the selected options. For this scenario, I wanted a more controlled approach. Instead of running HCW, I wanted to configure only the components required for Teams Calendar and understand what each one does. I started with basic Teams Calendar integration and then…