Total failure of the Active Production node on Exchange Server 2007 CCR


What should I do when the Active Production site of Exchange CCR mailbox node is lost or corrupted entirely ?

My understanding is that the passive node can only receive update or replication from the active node and cannot be forced to replicate to the active node.

can anyone please explain to me ?
Senior IT System EngineerIT ProfessionalAsked:
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Adam FarageSr. Enterprise ArchitectCommented:
Did this happen in your production lab, or are you just asking? It is painful in Exchange 2007 to recover, but here goes nothing..

Part one - Evicting the active node

Before you evict the node, you should force the CMS to the passive node. This allows mail to continue to flow as you rebuild this mess. You can do this using the following command..

Move-ClusteredMailboxServer -Identity:CMSName -MoveComment:"Evicting Node Failure" -TargetMachine:PassiveMachineFQDN

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Once this is done (might fail because the Active node is not online) then you can evict the old node:

Server 2008 Command

Cluster <ClusterName> node <FailedNode> /evict 

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If this fails, you will have to force eviction

Cluster <ClusterName> node <FailedNode> /force

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Server 2003 Steps

Afterwards you should reset the following:

1) Delete all DNS entries for the evicted node
2) Delete all AD entries for the evicted node

After this is done, rebuild the machine with the same FQDN, IP and OS / Patch level as the previous one / same patch level and OS as the active node in the current cluster. Make sure to add this machine to the domain.

Part two - rebuilding your Clustered Mailbox Server

Once you have the new server online, you will need to install the passive mailbox role onto it. You can do this by following these steps here:

Once this is done, you will need to run the following command *after* stopping cluster services. /recoverCMS /CMSName:ClusterName /CMSIPAddress:IPofCluster

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Once this is done, you may need to bring the system attendant service online and reseed the cluster.

More information about the command above

It has been a while since I have done this, so if you run into a snag let us know.

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Senior IT System EngineerIT ProfessionalAuthor Commented:
This is happening on the test lab, not a production environment, so I wonder whatis the best suggested way to recover from the DR situation with 15 Storage Groups in total of 2.6TB for the 2x mailbox server role spanned across two different AD site in single domain.
Adam FarageSr. Enterprise ArchitectCommented:
The method I provided above is the way it *should* be done.
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