Exchange 2013 Remove Mailbox Database instead offline defrag will it release HDD space

Golden Papa
Golden Papa used Ask the Experts™
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Just enquiry,

I migrated  1 mailbox database from old to new server,

now the old exchange server have 1 empty user mailbox database (not using anymore)

I know it could not release disk space for server unless run offline defrag to the specify mailbox database.

Just need to ensure, if I remove mailbox database from ECP successfully, it will release the disk space for me?

and after removed the mailbox database, the EDB log file (such as E00002EBE90.log, per log 1 mb) is it safe to delete?

thanks.
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Technical Consultant
Commented:
>>Just need to ensure, if I remove mailbox database from ECP successfully, it will release the disk space for me?

Yes

>>and after removed the mailbox database, the EDB log file (such as E00002EBE90.log, per log 1 mb) is it safe to delete?

Providing they are the logs for that DB then yes you can delete them.


It will tell you to manually delete the files when you do the removal :)
MASEE Solution Guide - Technical Dept Head
Most Valuable Expert 2017
Commented:
If you are not an expert in Exchange server I will not recommend to do defragmentation.
You can move the mailboxes to another database and delete the mailbox database which will give you space. Please check this article.
https://www.experts-exchange.com/articles/31741/Move-mailboxes-in-bulk-or-one-by-one-to-another-database-in-Exchange-2010-2013-2016.html
Seth SimmonsSr. Systems Administrator
Commented:
if the database is empty, running an offline defrag seems pointless
dismount the store and remove it from exchange.  might have to remove the files manually
MASEE Solution Guide - Technical Dept Head
Most Valuable Expert 2017
Commented:
Agree with Seth Simmon. If the database has no mailbox please remove it after moving the systemmailboxes to the active database.
You can check my article to move system mailboxes to another database.

Please use this command to see number of mailboxes and system mailboxes
Get-Mailbox -database "databasename" | Group-Object -Property:Database | Select-Object name,count

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Please check this article for more details.
https://www.experts-exchange.com/articles/31850/Count-Mailboxes-in-your-Exchange-Organization.html

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