Sharing free/busy information

Question

Is it possible to share calnedars and free/busy information between two companies that are one Exchange Online only and one that is Exchange on-prem only ?

The two companies' AD are in trust to each other

thanks

Answer 1

Hi,@StefanoC

Thanks for posting your question in the Microsoft Q&A forum.

The on-premises one will have to configure federation. Federation refers to the underlying trust infrastructure that supports federated sharing, which is an easy way for users to share calendar information with recipients in other external federated organizations.

You can refer to this link:https://learn.microsoft.com/en-us/exchange/configure-a-federation-trust-exchange-2013-help?source=recommendations

After completing the federated authentication trust, you need to configure the organizational relationship between the two organizations:

You can refer to this link：https://learn.microsoft.com/en-us/exchange/sharing/organization-relationships/organization-relationships

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