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SBS 2011 corrupt database

Posted on 2016-10-14
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Last Modified: 2016-10-18
Dear Experts,

This is gonna be tricky.  SBS native backups were stalling on running consistency checks for exchange.  Did some digging and discovered corrupt exchange database,  So before I did anything, I dismounted the database and copied it over to an external disk. But it failed the copy citing an error reading from disk.  Disk health is good.

DB  is 198GB and there's not enough space available to perform an eseutil repair.  TIme is of great importance so I created a new database and moved the mailboxes to that. All good except for one mailbox.  So we exported the mailbox via outlook, disabled the mailbox in exchange, created a new one and imported the PST.  

So now we have a healthy second database hosting all the malboxes and mailflow/client access is all good.  But I know that SBS is heavily wizard driven and the links with exchange for these wizards, sharepoint etc means that unless that original database exists, things will not work as expected.

So i need to get that database back online.  Cant move it, cant repair it, cant defrag it and cant remove it in the EMC.

What are my options?

Can I dismount the database, delete the file from disk and create a new one?

Thanks
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Question by:tech53
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Scott C earned 500 total points
ID: 41844997
Yes, if you need a new database with the same name, and your mailboxes are working on the second DB, then yes, your best option is to dismount and delete the DB and let a new one be created.

That should make sure your system is stable.
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Author Closing Comment

by:tech53
ID: 41849001
Perfect. We moved some hidden system mailboxes then dismounted and deleted the original corrupt database. On restarting exchange IS, we were asked to recreate the database giving it the original name.

Tested creating a new account using sbs wizard and all went well. Ported the mailboxes back to the newly created db with the original name and all was as it was previously.

Thanks for your help.
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Expert Comment

by:Scott C
ID: 41849013
Anytime ...Glad I could help.
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