How best to merge/combine two Exchange 2007 Public Folder databases?

We recently moved Exchange 2007 to different hardware by adding the new server to our existing Exchange organization, migrating the resources to the new server, then decommissioning the legacy server.  After doing so, the age limits were incorrectly set on the new public folder database, thereby deleting a large number of critical items from the Public Folders.

We have a backup of the public folder database from the old server, and have confirmed that the lost items are in it.

What's the best method to restore the lost items into the current Public Folder database?  Files have been added since the age-limit deletions, so we can't simply replace the db.

Is there an established method of merging two Public Folder databases such that the result is the aggregated contents of both?

Thanks for your assistance.

Dimarc67
Frederick, MD
LVL 4
Dimarc67Asked:
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Dimarc67Connect With a Mentor Author Commented:
Thanks, Gareth.

We solved this by using Dell (Quest) Recovery Manager for Exchange.  It supports comparing the contents of an offline database (mailboxes or public folders) with an online database, tells you what's different, and restores what's missing in the online database.  It's not particularly quick about the comparisons, but it was very effective.
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Gareth GudgerCommented:
What is your backup solution? Does it allow for redirected granular recovery?
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Dimarc67Author Commented:
Gareth,

Wouldn't that be nice?  Unfortunately, no.  It only provides the raw edb and log files, or restoring to an Exchange server.

D.
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Gareth GudgerCommented:
I think the safest option may be to export the EDB to a PST with 3rd-party database recovery software. (Assuming you backup doesn't have a restore to PST option either.)

Personally I don't have any experience with these (knock on wood) but a lot recommendations form Experts here on ones they have turned to before.
http://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/Q_27445280.html
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Gareth GudgerCommented:
Glad you got to resolved! And thanks for sharing as well. I will have to check that one out.
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Dimarc67Author Commented:
Determined our own solution.
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