Which two ports should be open between Exchange Online and the on-premises organization? Each correct answer presents part of the solution.

Last Updated on November 7, 2021 by Admin 3

You have an on-premises Microsoft Exchange Server 2019 organization.

You plan to configure the environment to support a hybrid deployment.

You need to ensure that you can migrate mailboxes from the on-premises organization to Exchange Online.

Which two ports should be open between Exchange Online and the on-premises organization? Each correct answer presents part of the solution.

NOTE: Each correct selection is worth one point.

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