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Changing IP address of Clustered Mailbox Server 2007 in CCR configuration across two different VLAN ?

Posted on 2013-11-19
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Last Modified: 2013-11-22
Hi All,

I need your assistance in reconfiguring my Exchange Server 2007 SP3 Mailbox CCR Cluster for the migration project from one DC to another DC with different IP address VLAN and class.

Existing Mailbox CCR servers:
PRODMBX1.domain.com – Mailbox Production Active Node 1
IP: 10.1.7.5
AD Site: HQ-CapitalCity-Site-1

DRMBX1.domain.com – Mailbox Recovery Passive Node 1
IP: 10.1.12.5
AD Site: DR-RegionalCity-Site-1
CCR Replication flows from PRODMBX1 into DRMBX1, during the upgrade I will failover the mailbox Server into the DRMBX1 to minimize the downtime for the company mail flow.

When the Existing PRODMBX1 is still in passive node, I am changing the IP address only in the Windows Network Adapter properties and then reboot the server.

After the migration Mailbox CCR servers:
PRODMBX1.domain.com – Mailbox Production Active Node 1
IP: 10.18.89.115
AD Site: HQ-CapitalCity-Site-1

DRMBX1.domain.com – Mailbox Recovery Passive Node 1
IP: 10.1.12.5
AD Site: DR-RegionalCity-Site-1
Are there any steps that I need to do to ensure that the changes is replicated back from DRMBX1 into PRODMBX1 once the IP address has changed?

As soon as the replication has finished, the CCR replication should flows from PRODMBX1 into DRMBX1 as normal.
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LVL 37

Assisted Solution

by:Jamie McKillop
Jamie McKillop earned 2000 total points
ID: 39662530
Hello,

The following link provides the steps you need to follow to change IP addresses on a CCR cluster.

http://andersonpatricio.ca/changing-the-ip-address-on-a-exchange-server-2007-ccr-cluster-windows-server-2003/

-JJ
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LVL 8

Author Comment

by:Senior IT System Engineer
ID: 39664343
Thanks for the reply JJ,
Does in this case how to make sure that after the IP address changes, the email was synch back from DR to production safely ?

Does it uses its own replication link ?
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LVL 37

Expert Comment

by:Jamie McKillop
ID: 39664472
If you follow the linked instructions, the database replication will resume and the database copies will sync back up.

JJ
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LVL 8

Author Comment

by:Senior IT System Engineer
ID: 39667493
Hi JJ,

I was wondering if the steps above involve whole cluster mailbox server resource to go offline ?
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LVL 37

Assisted Solution

by:Jamie McKillop
Jamie McKillop earned 2000 total points
ID: 39668742
Yes, you will need an outage window to perform these steps.

-JJ
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LVL 8

Author Comment

by:Senior IT System Engineer
ID: 39668851
Hm.. why is that ?
I just need to change the passive node IP address does that still needs me to turn off the Cluster.exe server service which cause outage for both mailbox server nodes active and passive ?
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LVL 37

Expert Comment

by:Jamie McKillop
ID: 39668904
Are you going to change the cluster IP? If you change the IP of the cluster, you will need downtime.

-JJ
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LVL 8

Author Comment

by:Senior IT System Engineer
ID: 39670299
Yes the exchange cluster mailbox virtual IP and the Production node only, the DR node is stay the same and will be used as failover when the Production is reconfigured with new IP.

Hopefully no email outage is needed here. Is that possible ?
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LVL 37

Accepted Solution

by:
Jamie McKillop earned 2000 total points
ID: 39670536
If you are changing the virtual IP you will need an outage. You need to stop the cluster service on both nodes before you can change the IP.

JJ
0
 
LVL 8

Author Comment

by:Senior IT System Engineer
ID: 39670550
Ah ok, but sure it is possible without destroying the CCR cluster or destroy the MSCS cluster ?

I'm bit worried about this since I do not have test lab to try it first.
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LVL 37

Assisted Solution

by:Jamie McKillop
Jamie McKillop earned 2000 total points
ID: 39670756
If you follow the instructions I posted, you shouldn't have any trouble.

-JJ
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Author Closing Comment

by:Senior IT System Engineer
ID: 39670773
Thanks !
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