If your on-premise Exchange environment is in hybrid mode with Office 365 Hosted Exchange, you may find that email sent from mailboxes created onprem to mailboxes created in O365 Hosted Exchange is not received. The issue is that your on-prem Exchange is unaware of the cloud created mailboxes. The solution is to create an Exchange Contact of type “Remote User Mailbox”. Unfortunately this cannot be completed through the EMC GUI and you will have to…
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