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How to open ost file to another Exchange server?

Posted on 2010-08-28
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Last Modified: 2012-05-10
I have 2GB ost file for my old company which was Exchange Server. I need to get some emails from the file.

I tried to build Windows 2003 server with MS Exchange Server. Then I created same username and then open MS Outlook client. It's good connection. After that, I close MS Outlook and rename my 2GB ost file to outlook.ost
Then, came with error message as "cannot be accessed because it has been configured for use with a different mailbox" Attached file.

I don't want to buy expensive third-party software. I found all of your experts response. The software is over US$50.
Now I build Exchange Server. Is that possible to open the ost file ?

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Question by:Joe_LAI
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Assisted Solution

by:sunnyc7
sunnyc7 earned 1000 total points
ID: 33549217
You cant open a OST file with another mailbox.
The only way this can work is if you use a OST 2 PST converter.
This one works.
http://www.nucleustechnologies.com/exchange-ost-recovery.html 
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by:Rob Williams
Rob Williams earned 500 total points
ID: 33549218
The simplest way is to open Outlook on the original computer and choose file / export to a file / pst. I assume you have the file and not the computer?

Creating a duplicate exchange server will work as it is seen as a different user account as it relies on SID's (Security Identifiers) not actual user names. Restoring the old server would work, but doubt that is an option either.

The is a common free tool on the internet ost2pst.exe but it will not work with Outlook 2003 and newer files.
I am only aware conversion tools you have to purchase that will do it otherwise but I am sure others will have some suggestions.
http://www.exchange-recovery.com/
There are other tools that allow you to export the ost from the exchange database to a pst if you have a copy of the database:
http://www.nsftopst.com/exchange-mailbox-export-tool.html
http://www.ontrackpowercontrols.com/solutions/exchange-archive-restoration/
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Author Comment

by:Joe_LAI
ID: 33549292
Thank you for your reply. It's bit expensive third-party software as I mentioned. Any other way I can do it ?
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Assisted Solution

by:sunnyc7
sunnyc7 earned 1000 total points
ID: 33549305
Since its your old company's OST - I am afraid you dont have many options.
You can try this one - but it doesnt work for 2003 and above.

http://hellomate.typepad.com/exchange/2003/07/ost_to_pst.html
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Author Comment

by:Joe_LAI
ID: 33549414
Thanks sunnyc7.  I have tried it but no luck.
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LVL 28

Expert Comment

by:sunnyc7
ID: 33549425
wont work for OSTs after 2003.
No other option other than buying a utility.
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Assisted Solution

by:chcw
chcw earned 500 total points
ID: 33551057
There may not be free tools available.

One that works perfectly for all OST formats, including OSTs after 2003, is

Advanced Exchange Recovery

at

http://www.datanumen.com/aexr/

But that one is not free.
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Author Comment

by:Joe_LAI
ID: 33780383
Thanks all guys, need to buy third party software to solve the problem.
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Accepted Solution

by:
Joe_LAI earned 0 total points
ID: 34318267
I found the software cheaper than US$50

http://www.recoverytoolbox.com/buy_outlook.html

This one can be solved the problem. Thanks guys
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Author Closing Comment

by:Joe_LAI
ID: 34358741
All links are useful
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