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Transaction logs missing in Exchange 2010 SP1

I'm running an Exchange 2010 SP1 (mailbox role only) in a lab environment.   So I'm not doing any backup.  For a reason or another we lost one of the transactional log file.  The database is no longer mounted (unable to mount)  

As it's only a lab I've bee trying to delete all logs.  Usually Exchange will be rebuilding the logs.  And it does that.  But I'm still unable to mount the database.  

I can't delete the database because one account have been created.  

Thanks for your help.
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quadrumane
Asked:
quadrumane
3 Solutions
 
Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
Is there a AV on the lab server ? Hope it hasnt Quarantined the logs :(

If you mount the database blank it will still have the mailbox but without data.

Is the database clean shutdown ? If so we have to move other .jrs and .chk file and good to go or else might have to Repair the DB to get it into clean shutdown.

- Rancy
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S_K_SCommented:
Well you stated that the log file is missing but just confirm if the database is in Clean Shutdown or Dirty Shutdown. If it is dirty then what log files does it needs to replay and if that file (or those files) are available then you can attempt a soft recovery else move ahead with repair as no backup is available.

Below articles would be handy for you to move ahead step by step.
http://www.trainsignal.com/blog/eseutil-exchange-2010
http://www.msexchange.org/articles_tutorials/exchange-server-2010/management-administration/eseutil-part1.html
http://www.msexchange.org/articles_tutorials/exchange-server-2010/management-administration/eseutil-part2.html
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vicky19Commented:
As said by Rancy "Is the database clean shutdown ? If so we have to move other .jrs and .chk file and good to go or else might have to Repair the DB to get it into clean shutdown"

If the Database is clean shutdown than you can mount it without logs as well. This will create new set of logs .... but if only the .log files are missing please do remove all other files (.chk .jrs and others out of the location and mount).

Regards
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