Exchange 2007 SCR cluster across Multiple AD Sites.

We currently have an Exchange 2007 SP3 CCR setup in one site.  I am trying to add a SCR Exchange node in a different site.  I have added the SCR node to the failover cluster.  However, when I try to install Exchange 2007 SP3 on the SCR node with the "Passive Clustered Mailbox Role." I get the error:  This cluster spans multiple Active Directory sites.  Exchange 2007 cannot be installed.

How do you get a standby passive cluster node installed on a server in a different site?

Thank you in advance.
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Adam BrownSr Solutions ArchitectCommented:
For your configuration, where you have two sites, you would install a Stand-Alone Exchange server without Cluster Services. The Passive Clustered Mailbox Role has to exist in the same AD site as the rest of the cluster. has more information on creating and managing an SCR target for multi-site replication.

You would essentially just install Exchange 2007 SP1 or later on the server in the secondary site (using the regular installation), then run the SCR cmdlets in the EMS to enable and configure replication.

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Amit KumarCommented:
Seems you did not prepare domain and forest with SP3 installation file.

Please extract Exchange server 2007 SP3 setup and run /preparead and /preparealldomains. then wait for get it replicated (usually wait for at least 2-4 hours) and try installation.
CappperAuthor Commented:
@acbrown2010. Yes.  That is, actually, how I had it originally configured.  But I could not find a good document on how to recover a Stand-Alone Exchange server that is not clustered.  My plan was to rebuild it as a passive cluster node, so once the storage groups were prepared for mounting, I could simple use a command such as: /RecoverCMS /CMSName: /CMSIPAddress: to recover.  Then just mount the databases.

So if you have a good method for recovery a non-cluster SCR than let me know.  Because adding the already seeded databases, to a storage new storage group on the Standby Server, was a hurdle.

@Amit Kumar Goyal.    Please see attached.
AmitIT ArchitectCommented:

I would advise you to upgrade to Exchange 2013. DAG is much better compare to SCR.
Amit KumarCommented:
Sorry my bad actually command is /preparead /OrganizationName:"<organization name>"

but here you already said that you have lost SCR copy in this site, so follow this article to recover SCR
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