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A strange Exchange 2013 database folder but not showing in Exchange!

Posted on 2014-01-06
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We are slowly migrating from Exchange 2010 to 2013. I just got an alert saying the new server was almost out of resource - Upon checking, it seems there is a mailbox folder in the default path (C:\Program Files\Microsoft\Exchange Server\V15\Mailbox) that is eating up 200gb+. All the databases we have setup are on their own partition on D, so not a clue how this has got there

On checking in ECP, only the "known" databases are showing on both servers - so we have no clue where this one is from or where it is linked from!

It wont let me delete the folder as its in use - and i can see it growing constantly (190000 items and counting so far) - it has the standard layout of an EDB, and lots of logs!

Does anyone have any idea where this could be from? We use Acronis online to backup but i'm pretty sure it doesn't create a whole new Exchange database to backup with!

Regards

Steve
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Question by:stevie_dee
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Will Szymkowski earned 2000 total points
ID: 39759463
By default when you install a new Mailbox server for Exchange it create a default mailbox database, which by default is located on the C: drive. This is also where the Arbitration Mailboxes are located as well when installing Exchange Mailbox Role.

Run the following command below...

Get-mailboxdatabase | ft Name, LogFolderPath, EdbFilePath

You can then also use the below command to see where you arbitration mailboxes are located...

Get-mailbox -arbitration | ft

You can then see what server the arbitration mailboxes are located on.

Will.
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