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Exchange CCR mailbox email send behaviour ?

Posted on 2013-11-21
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Last Modified: 2013-11-25
Hi All,

In the ideal world, can anyone please let me know what and how is Exchange Server 2007 SP3 CCR mailbox role send out email from the Production node and from the DR node ?

in my current situation I have the following:

MailCluster.domain.com (Cluster name for Outlook MAPI connectivity)
IP1: 192.168.1.115 --> During Production node active
IP2: 192.168.12.3 --> During DR node active

PRODMBX1.domain.com (Production node)
NIC 1: 192.168.1.17
NIC 2: 10.1.1.2, 10.1.1.3 --> for CCR replication to DR node
MS Failover Cluster Virtual Adapter IP: 169.254.1.61


DRMBX1.domain.com (DR node)
NIC 1: 192.168.12.29
NIC 2: 10.1.9.2, 10.1.9.3 --> for CCR replication to Production node
MS Failover Cluster Virtual Adapter IP: 169.254.2.14


Can someone please clarify my understanding if it is correct or not :

Under ideal condition, the email running from production node, when received in the external email provider (eg. GMail or Yahoo or Hotmail), the Original message header should show the MailCluster.domain.com (192.168.1.115), but how come, it is now showing the MailCluster.domain.com (169.254.1.61) ? the cluster virtual network adaptor instead of 1.115 ?

and when I fail it over to DR mailbox server, the original message header shows from
MailCluster.domain.com (10.1.9.2) ? the CCR network instead of the 12.3 ?
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Jamie McKillop earned 500 total points
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Hello,

On your DR Server, check you network bindings. Make sure NIC 1 is at the top of the binding order. If it isn't, move it to the top then reboot.

-JJ
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by:Senior IT System Engineer
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Yes, you are right JJ, I don't know how it is possible for the Cluster Private Network to be on top of the list in the DR server only?

The Production node network binding order seems to be correct, with the Cluster Public Network at the top.

but still some mystery still remains, why is that the cluster virtual IP address is used ?
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by:Jamie McKillop
Jamie McKillop earned 500 total points
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That is normal for it to use the cluster VIP.

-JJ
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