Office 365 Exchange Online - Auto Failover

okorsal
okorsal used Ask the Experts™
on
Is it possible to use Microsoft Office 365 in a hybrid configuration as well as automatic failover? For example, if O365 goes down, we can still send and receive and access all our mailboxes from the on-premise Exchange server 2010.

This would mean having a mailbox on both O365 and on-premise using active-active failover.
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IT Architect
Distinguished Expert 2017
Commented:
No not possible. Office 365 is SAAS service. Customer are not allowed to manage servers in office 365. You can only use their services, like you use Gmail.

You better need to look for complete on-premises solution with DR site. It is rare that Office 365 goes completely down.
AmitIT Architect
Distinguished Expert 2017
Commented:
I know Office 365 gone down several times. There is no backup solution for O365. It is Microsoft responsibility to meet SLA with clients. As, I said you have to go completely back to on-premises. Or if you have hybrid. Keep your key VIP users and mailbox on premises.
AmitIT Architect
Distinguished Expert 2017

Commented:
Best answer provided.

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