Forum Discussion
Tenant Federation with hybrid/on-premise mailboxes
Hello, I am trying to federate two O365 Tenants. Tenant 'A' is completely cloud based, Tenant 'B' is currently in a hybrid configuration with mailboxes on-premise. Free busy is working one way, ...
Hi Jason,
You have to federate the free busy from Tenant A to Hybrid EWS Server (on-premises) of Tenant B.
If you want to view On-premises free/busy you will need to point to the on-premises infrastructure.