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All the mail boxes on the server with 0 mails

Posted on 2014-07-23
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Last Modified: 2015-10-28
can the VM ware snapshot revert   will wipe all the mail box Data  ? we have  VM ware 2 servers on the service provider level . we do not have access to the VM level  . one day all of our mail boxes got empty without any  finding  on the server level  . I am checking all the possibilities this can happen  . but only thing I can guest is VM server snapshot revert or backup restore  course this issue ?
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Question by:cur
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4 Comments
 
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by:Murali Reddy
Murali Reddy earned 365 total points
ID: 40214226
Yes, the snapshot revert will take you to the mailboxes to the snapshot date. However, mailboxes have dynamic data so, please do not use snapshots to restore.

It could also happen that, if the databases are recreated with empty files (delete database files and remount the databases)

You may check the dabase anf transaction log file directories for further clarification.
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Author Comment

by:cur
ID: 40214254
We had a issue on exchange server log file purge operation  . we used to dismount the mail box store and  deleting logs    manually . can this be the reason to have the empty mail boxes . Any mail box level data in the log files  ?

It could also happen that, if the databases are recreated with empty files (delete database files and remount the databases)  ? in this way all the mail boxes can be visible in the exchange level without recreating mail boxes one by one  ?

only thing we did is clear the transaction log manually after dismounting the mail box database and remount
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LVL 7

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Murali Reddy earned 365 total points
ID: 40214926
Is you transaction logs and databases are on the same location, in which case there could be chance to delere *.edb file mistakenly.

if you are just deleting the T-logs, it shouldn't loose any data.

By the way, why are you deletuing the t-logs. any problems with backups?

If you want to delete, use circular logging feature and avoid committing mistakes.

Yes- if you deleted the database file and remount, it will mount like a fresh database with all mailboxes of zero size.
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Author Comment

by:cur
ID: 40228946
if the user deleted the mail box file and recover from the bin and restore on the original place will have same fresh database or original ?
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