Restore Data from another Organisations EDB file

I have an EDB from another org that I need to read. In the past I've had to resort to 3rd party tools such as Lepide Exchange Recovery Manager to export the data i need from the EDB to a PST.  However I've found that tool tedious/slow for large jobs as I need about 100 mailboxes, and there appears to be no automated way to do it. I'd like to just mount it in exchange and use the tools there to do a New-MailboxExportRequest. That way I don't have to sit and baby sit each one.

I understand that you cannot mount a edb from another org even as a recoveryDB (stupid limit but I get it), but what if I build a new temp VM and setup the domain name and the org the same mount the dB there as a recoveryDB. Then toss exchange on and do it there?

Has anyone tried this, or am I wasting my time?
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Abdul Khadja AlaoudineTechnical ConsultantCommented:
That will not work. I am afraid your only option is to use 3rd party tool.
bhiebAuthor Commented:
Really? Even with the same domain and org names? I get why if I was trying to do a mailbox to mailbox transfers, but to kick it to a PST?
A KarelinCommented:
I would restore the AD of another org to a temp server, rebuild the Exchange server here and then export mailboxes to pst.
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bhiebAuthor Commented:
Thanks Karelin that was the plan. I'll post back how it goes.
Abdul Khadja AlaoudineTechnical ConsultantCommented:
For some reason I assumed you don't have backup of other org's AD.
bhiebAuthor Commented:
I dont have a backup, but I can recreated it as I know what it was.
bhiebAuthor Commented:
It may not work but worth a try.
Abdul Khadja AlaoudineTechnical ConsultantCommented:
My assumption was correct :-)

If it is going to take lot of effort then it may not be worth a try. I don't think it will work.

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bhiebAuthor Commented:
Weird if its not one thing it's another. I know for a fact this EDB was taken from a working 2010 environment. When I tried to mount it as a recovery DB the error in even log was

The database could not be started because the distinguished name (DN) /O=OLD COMPANY, INC./OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBOHF23SPDLT)/CN=RECIPIENTS/CN= of mailbox database "recoverydb" does not match the DN of directory /O=AREMAILORG/OU=EXCHANGE ADMINISTRATIVE GROUP.....

Open in new window

This shows the old org was OLD COMPANY, INC.  problem is on the new install commas and periods cannot be used.  WTF so how was it in use in @ the old company. Is there some other special way of getting it to match up?
bhiebAuthor Commented:
Well, Abdul you were correct. Not worth the effort. I think even IF I could get the org name right, the EXCHANGE ADMINISTRATIVE GROUP (ID) part of the DN won't match up and it will probably throw errors there. Guess next time I have to deal with another company's EDB, I'll have them dump all the mailboxes to PST first.
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