Categories
duplicate EOP exchange exchange online Exchange Online Protection Exchange Server mailbox MX Office 365

Duplicate Exchange Online and Exchange Server Mailboxes

With a hybrid Exchange Online deployment, where you have Exchange Server on-premises and Exchange Online configured in the cloud, and utilising AADConnect to synchronize the directories, you should never find that a synced user object is configured as both a mailbox in Exchange Online and a mailbox on-premises. When Active Directory is synced to Azure […]