An Exchange public store or mailbox store of a storage group can be mounted using Exchange Management Console or Exchange Management Shell. This makes the databases ready for use. For any reason, if the process fails, it leads to data inaccessibility. Database mount failure primarily suggests that one or more storage group components are faulty. However, if one or more databases are corrupted, you should use eseutil utility to repair it. Alternatively, you can apply the last good backup or use a powerful EDB Repair utility to repair the corrupted database.
For instance, suppose you try to mount public or mailbox store in Exchange Server. The operation fails and the application event log reports the below information message:
Event ID: 465
Source: Ese98
Type: Error
Computer: Server1
Information Store (2184) Corruption was detected during soft recovery in logfile C:\Programme\Exchsrvr\mdbdata\E00000E8.log. The failing checksum record is located at position 6531:471. Data not matching the log-file fill pattern first appeared in sector 6600. This logfile has been damaged and is unusable.
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Error 465 is usually accompanied with error 477 that informs checksum mismatch and suggests you to restore the logfile from backup.
Cause
The prime cause of error 465 to occur is transaction log file corruption, specifically Edb00000E8.log file.
Solution
You should remove the corrupted log file to achieve recovery. To do so, you must first find out the storage group, which is affected from this corruption and then follow these steps:
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Dismount all the databases of affected storage group and perform its offline backup.
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Run eseutil /mh tool to make sure if the databases exist in consistent state.
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If all the databases report 'Clean Shutdown' state, move out all the log files from Exchsrvr\Mdbdata folder.
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But if databases exist in 'Dirty Shutdown' state, perform soft database recovery using eseutil /r
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On unsuccessful attempt of soft recovery, you can restore the database from last Exchange backup
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In cases when no valid backup is available, you can try repairing the database using eseutil /p, which performs hard repair.
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The hard repair of Exchange database causes corrupted pages to delete. Thus, it is suggested to use a third-party EDB Repair Tool for more effective and safe database repair. EDB Repair software employ advanced scanning algorithms and provide you easy-to-implement user interface.
Stellar Phoenix Mailbox Exchange Recovery is a full-featured tool to perform systematic repair of damaged Exchange databases created with Exchange Server 5.5, 2000 and 2003. It is a safe EDB Repair Tool that extracts all user mailboxes by converting them into individual Outlook usable .pst files. The tool can recover all email messages, notes, journals, tasks and other objects.
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7 comments
Thanks for sharing the informative and helpful information to recover Exchange server in case of corruption. Exchange database corruption is an unwanted issue for Exchange server users and sometimes leads to data loss situations. 3 weeks ago, I was also experiencing corruption problem in my Exchange server and spent 5-6 hrs on using built-in utilities and other online guides but no success. Luckily I found an amazing, globally trusted, cost effective and trustworthy Exchange Server recovery software here:http://www.recover-computerdata.com/exchange-server-recovery.html
One of the best feature of this tool is that it rebuilds the corrupt Exchange database file effectively. And the repaired database file can be mounted on the server directly. The Exchange mailboxes can be exported into individual .pst file format which can be used with MS Outlook. Compatible with all versions of MS Exchange Server (2010, 2007, 2003, 2000 and 5.5), the software provides free demo version to test its features and efficiency.
It crash very frequently but there is a third party party software through which you can extract user mailboxes and emails stored in .edb file of MS Exchange Server. Go for recovery software for the recovery of your data from edb files. you can easily convert edb files to pst files and then import your data to re-access. for more details - http://exchangeserver.tumblr.com/
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Exchange Database Recovery tool is recovers corrupt or inaccessible edb files from exchange server data and convert it to pst files in few minutes. This utility easily solves all type of corruption issues of exchange files. For more information and free download click here: http://exchangedatarecovery.weebly.com and http://repaircorruptededbfile.blogspot.com
Use Exchange Server Edb Recovery Tool that can easily repair corrupt edb and convert all mailboxes & public folder from offline EDB to outlook PST/MSG/EML file formats.
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