Exchange 2007 Disaster Recovery Question

To All,

So, say you have an Exchange 2007 server go down. You have one Exchange 2010 servers with the majority of mailboxes on that. However, there are still mailboxes on the 2007 server. You have .bkf file backups from ntbackup. You still have other 2007 Exchange servers for backup. How do you get those users who had mailboxes on 2007 up and running?

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Yes, a secondary Exchange 2007 server would work fine. You will need to do 2 things:

(1) Redirect TCP port 25 on your firewall from the old Exchange IP address to the IP address of new Exchange server (so that new server would receive emails). It will also send emails without issues.

(2) Reconfigure Outlook on all PCs, so that they would connect to the new Exchange server (instead of the old one). That way all PCs will receive and send emails.
Not easy. Exchange 2007 can only have emails for one domain. Therefore, you could use only  Exchange 2010 for recovery. However, ntbackup restore from Exchange 2007 will not work on Exchange 2010. Therefore, you will need to rely on users' OST file for email backup (if it's been setup, as by default) and then configure Exchange 2010 for receiving new emails.
blkburnAuthor Commented:
Well, I have a secondary Exchange 2007 server as well. I was able to restore the .bkf files to that server and basically have everything backed up. Is that any more helpful to my situation? Would it be possible to repoint the old mailbox paths to this secondary server?

Also, since the first Exchange 2007 server went down and the users' mailboxes were hosted on it, how would these users go about sending/receiving new mail? Could a new mailbox be created since they can no longer be moved? Or can the location just be changed?

Madan SharmaConsultantCommented:
Option 1:- you can use database portability feature to restore the database on another server in the organization
check this:-

Option 2:-  your one exchange server does down then the best option is setup new server with same name and recover the the server from AD. by using /recoverserver
check this article how to recover the server from ad
after recovering the server you can easily restore the backup on it

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