Rebuilding retrospect catalogue file from tape

Hi
I need to rebuild a lost catalogue file somehow. It's from an old exchange server backup, unfortunately I need to try and restore a mailbox to find a load of older emails that have been removed from a PST file!
I have the tapes but just wanted to know how effective this is from Retrospect in windows, I've done it successfully via the mac client but not windows in the past.

Also want some advice in restoring a mailbox and how it restores it. Can I restore mails to a PST so it doesn't affect the users current live exchange account?

Running retrospect version 7.6.111 on a Win 2003 server.

Urgent help would be much appreciated.
smiffy07Asked:
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smiffy07Connect With a Mentor Author Commented:
This is now complete. catalogue file repaired successfully.
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5g6tdcv4Commented:
You need to use the recovery storage group feature in exchange 2003
http://support.microsoft.com/kb/824126
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smiffy07Author Commented:
Ah ok, and then restore the mailbox from Retrospect back into that recovery storage group?
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5g6tdcv4Commented:
and then copy the mail from the mailbox in RSG into production mailbox
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5g6tdcv4Commented:
and then copy the mail from the mailbox in RSG into production mailbox
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smiffy07Author Commented:
Cool ok. Currently I am trying to rebuild the catalog file from a set of LTO tapes. Until that has finished I can't begin the restore.
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smiffy07Author Commented:
I've discovered that retrospect doesn't support RSG in exchange 2003!! So my next option (and the one I am currently going for) is to build a new Win 2k3 server, patch it, make it a DC then install exchange 2k3. Install tape drive then restore mailbox. Easier said than done I know.

What I would like to know. The server is currently patching, I've obviously not added it as a member of the domain so it's still set to WORKGROUP by default. If I make it a DC etc will it still interfere with my current infrastructure or because it's not a domain member it will be completely isolated from that?
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5g6tdcv4Commented:
You could make it a DC for a new domain and it will not interfere with your existing domain. Personally I would put it on a different IP scheme just to be sure. I did this exact scenario a couple months ago (built a new server, dcpromo, install exchange, restore DB, extract mailboxes) on the same network as my current domain, and had no issues.
Just don't install dhcp server on the temporary machine, you don't need it handing out IP's to your real clients.
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smiffy07Author Commented:
Cool ok, but if I just keep it set to WORKGROUP will that be ok?
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5g6tdcv4Commented:
Nope it will need a domain
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smiffy07Author Commented:
no worries, I've just made it a DC and setup a new domain called TEST.DOMAIN  will also add it as a DNS server but as you mentioned above will ensure not to setup a DHCP role.
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smiffy07Author Commented:
OK, done all of the above. I just need one bit of advice before I start restoring.

To recap, I am using Win 2003 with exchange 2003 installed. I have retrospect 7 installed which can see tape drive and Catalog file that I need to restore from. I can see the storage group in the cat file.

What I would like to know, do I have to restore the whole exchange database or am I somehow able to restore one mailbox from it. THe mailstore is 227GB

Urgent response appreciated, if I need to restore the whole thing then I need to get it started ASAP!
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5g6tdcv4Commented:
It depends if retrospect did a item level backup or only backed up the entire DB. If you have space restore the whole thing
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smiffy07Author Commented:
Complete
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