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What MX record is correct for Exchange Hybrid with Exchange 2007 and 2013

Posted on 2013-10-24
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Last Modified: 2013-10-28
I have the entire system running and I now I am just running through tests.  I have left my old MX records in place and put exchange online one in highest priority.

the current MX record I am meant to be using is according to the DNS?
MX  0  @  domain-vic-edu-au.mail.protection.outlook.com  1 Hour  

When I run the Mail Flow configuration I get the following error.

The Microsoft Connectivity Analyzer failed to verify the proper configuration for the MX record or the outbound connector associated with domain 'domain.vic.edu.au'.

Am I do something wrong or is my MX record incorrect.

Goal is to have all inbound and outbound mail flow though exchange online protection
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Question by:ITSystemSol
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Mark Galvin earned 500 total points
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For an Office 365 (I presume that is what you have?) your MX record should point to Office 365 only. As you have setup a hybrid setup, incoming that cannot be delivered to mailboxes on Office 365 will then route back to the on premise server.

Outgoing mail on your on premise server should be set to go out via its own connector.
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by:ITSystemSol
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Thanks for the MX record I thought as much and it seems to work that way already.  With outgoing you mention that the servers should send via there own outbound connector, does that mean there is actually no way to configure for all servers to use the Exchange online protection for outbound other than users with mailboxes in the cloud.

Environment is Hybrid with Exchange 2007 and On-premise Exchange 2013 with Office 365.  Cannot remove Exchange 2007 at present as there is a unified messaging system with Exchange 2007 so we can only move users to the cloud without UM enabled as it all links in with a old Cisco Call manager system.
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