How to mount Exchange Store when log file got lost and there was no backup of the server.

Server OS: Windows 2003 Enterprise 64bit Server
Exchange 2007 Enterprise

On our server one all 4 Mailstores in one Storage Group got dismounted.
When I tried to mount them I found out that the log files for that Storage Group are missing.
I don't know how the log files got deleted but they are gone and I don't have any backup for that server yet.
How can I fix that and get the Mailstores mounted without the logfiles?
MarcoMatsuiAsked:
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DMTechGrooupCommented:
Do you tell your AV not to scan the Exchange directory, .edb, .stm & .log files?  Check to see if they got quarentined.

If not then your only hope is a hard recovery.. Make a copy to work on...

[quote]
Eseutil /p - To Repair a Corrupted Exchange Store Database
Scenario.  You need to recover a store.edb database, you tried the last backup, but that was no good.  Perhaps the root cause is the corresponding transaction logs are missing.  You may see the error message: 'The database files in this storage are inconsistent'.  Next step, gather more information try eseutil /mh.  You determine that the state is inconsistent, after backing up the current database, try eseutil /p.  

Follow up you repair of the database with Eseutil /d.  This not only defrags but also rebuilds indexes.  Finally switch to the Isinteg.exe utility and try: isinteg -fix.  This Information Store Integrity Checker can repair the database at the application level.

Another spiteful problem is that you cannot backup the store.  Perhaps the root case was a hardware malfunction.  As a last ditch measure, you could try using eseutil /p.  I was going to say backup before you try, but of course, in this instance, backup is the problem!  How about a little lateral thinking and try to copy the store before you run eseutil /p.

In Exchange 2007 Eseutil /p can also repair the transport queue database on the Hub server.
[/quote]

http://technet.microsoft.com/en-us/library/aa997152(EXCHG.80).aspx
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MarcoMatsuiAuthor Commented:
How do I run that Eseutil? I have never used that before.
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MarcoMatsuiAuthor Commented:
Sorry for the delay... was on a business trip.
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